diff --git a/.github/workflows/cve-scan.yaml b/.github/workflows/cve-scan.yaml
index 7bb9c189..ba94025d 100644
--- a/.github/workflows/cve-scan.yaml
+++ b/.github/workflows/cve-scan.yaml
@@ -30,7 +30,7 @@ jobs:
         uses: golang/govulncheck-action@v1
         with:
           go-package: ./...
-          go-version-input: "1.22"
+          go-version-input: "1.23.2"
       - name: Run Trivy vulnerability scanner in repo mode
         continue-on-error: true
         uses: aquasecurity/trivy-action@master
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 87e1655b..bc41a4ba 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.22"
+          go-version: "1.23.2"
       - run: make format
       - name: Indicate formatting issues
         run: git diff HEAD --exit-code --color
diff --git a/.github/workflows/licenses.yml b/.github/workflows/licenses.yml
index 8a864860..6fb85398 100644
--- a/.github/workflows/licenses.yml
+++ b/.github/workflows/licenses.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.22"
+          go-version: "1.23.2"
       - uses: actions/setup-node@v2
         with:
           node-version: "18"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d4b53a58..d63c39b9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.22"
+          go-version: "1.23.2"
       - run: |
           go test -tags sqlite -failfast -short -timeout=20m $(go list ./... | grep -v sqlcon | grep -v watcherx | grep -v pkgerx | grep -v configx)
         shell: bash
@@ -55,7 +55,7 @@ jobs:
         uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.22"
+          go-version: "1.23.2"
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
diff --git a/configx/koanf_test.go b/configx/koanf_test.go
index 56e0d31e..f4e2372c 100644
--- a/configx/koanf_test.go
+++ b/configx/koanf_test.go
@@ -87,7 +87,7 @@ func BenchmarkKoanf(b *testing.B) {
 	})
 
 	b.Run("cache=true", func(b *testing.B) {
-		for i, c := range []*ristretto.Config{
+		for i, c := range []*ristretto.Config[string, any]{
 			{
 				NumCounters: int64(numKeys),
 				MaxCost:     500000,
@@ -104,19 +104,16 @@ func BenchmarkKoanf(b *testing.B) {
 				BufferItems: 64,
 			},
 		} {
-			cache, err := ristretto.NewCache(c)
+			cache, err := ristretto.NewCache[string, any](c)
 			require.NoError(b, err)
 
 			b.Run(fmt.Sprintf("config=%d", i), func(b *testing.B) {
-				var key string
-				var found bool
-				var val interface{}
-
 				b.ResetTimer()
-				for i := 0; i < b.N; i++ {
-					key = keys[i%numKeys]
+				for i := range b.N {
+					key := keys[i%numKeys]
 
-					if val, found = cache.Get(key); !found {
+					val, found := cache.Get(key)
+					if !found {
 						val = k.Koanf.Get(key)
 						_ = cache.Set(key, val, 0)
 					}
diff --git a/configx/schema_cache.go b/configx/schema_cache.go
index f2b69955..7ed33a73 100644
--- a/configx/schema_cache.go
+++ b/configx/schema_cache.go
@@ -6,21 +6,20 @@ package configx
 import (
 	"context"
 	"crypto/sha256"
-	"fmt"
 
 	"github.com/dgraph-io/ristretto"
 
 	"github.com/ory/jsonschema/v3"
 )
 
-var schemaCacheConfig = &ristretto.Config{
+var schemaCacheConfig = &ristretto.Config[[]byte, *jsonschema.Schema]{
 	// Hold up to 25 schemas in cache. Usually we only need one.
 	MaxCost:            25,
 	NumCounters:        250,
 	BufferItems:        64,
 	Metrics:            false,
 	IgnoreInternalCost: true,
-	Cost: func(value interface{}) int64 {
+	Cost: func(*jsonschema.Schema) int64 {
 		return 1
 	},
 }
@@ -28,12 +27,9 @@ var schemaCacheConfig = &ristretto.Config{
 var schemaCache, _ = ristretto.NewCache(schemaCacheConfig)
 
 func getSchema(ctx context.Context, schema []byte) (*jsonschema.Schema, error) {
-	key := fmt.Sprintf("%x", sha256.Sum256(schema))
-	if val, found := schemaCache.Get(key); found {
-		if validator, ok := val.(*jsonschema.Schema); ok {
-			return validator, nil
-		}
-		schemaCache.Del(key)
+	key := sha256.Sum256(schema)
+	if val, found := schemaCache.Get(key[:]); found {
+		return val, nil
 	}
 
 	schemaID, comp, err := newCompiler(schema)
@@ -46,7 +42,7 @@ func getSchema(ctx context.Context, schema []byte) (*jsonschema.Schema, error) {
 		return nil, err
 	}
 
-	schemaCache.Set(key, validator, 1)
+	schemaCache.Set(key[:], validator, 1)
 	schemaCache.Wait()
 	return validator, nil
 }
diff --git a/configx/schema_path_cache.go b/configx/schema_path_cache.go
index 15d9110c..7ed253fa 100644
--- a/configx/schema_path_cache.go
+++ b/configx/schema_path_cache.go
@@ -5,7 +5,6 @@ package configx
 
 import (
 	"crypto/sha256"
-	"fmt"
 
 	"github.com/ory/x/jsonschemax"
 
@@ -14,7 +13,7 @@ import (
 	"github.com/ory/jsonschema/v3"
 )
 
-var schemaPathCacheConfig = &ristretto.Config{
+var schemaPathCacheConfig = &ristretto.Config[[]byte, []jsonschemax.Path]{
 	// Hold up to 25 schemas in cache. Usually we only need one.
 	MaxCost:            250,
 	NumCounters:        2500,
@@ -23,15 +22,12 @@ var schemaPathCacheConfig = &ristretto.Config{
 	IgnoreInternalCost: true,
 }
 
-var schemaPathCache, _ = ristretto.NewCache(schemaPathCacheConfig)
+var schemaPathCache, _ = ristretto.NewCache[[]byte, []jsonschemax.Path](schemaPathCacheConfig)
 
 func getSchemaPaths(rawSchema []byte, schema *jsonschema.Schema) ([]jsonschemax.Path, error) {
-	key := fmt.Sprintf("%x", sha256.Sum256(rawSchema))
-	if val, found := schemaPathCache.Get(key); found {
-		if validator, ok := val.([]jsonschemax.Path); ok {
-			return validator, nil
-		}
-		schemaPathCache.Del(key)
+	key := sha256.Sum256(rawSchema)
+	if val, found := schemaPathCache.Get(key[:]); found {
+		return val, nil
 	}
 
 	keys, err := jsonschemax.ListPathsWithInitializedSchemaAndArraysIncluded(schema)
@@ -39,7 +35,7 @@ func getSchemaPaths(rawSchema []byte, schema *jsonschema.Schema) ([]jsonschemax.
 		return nil, err
 	}
 
-	schemaPathCache.Set(key, keys, 1)
+	schemaPathCache.Set(key[:], keys, 1)
 	schemaPathCache.Wait()
 	return keys, nil
 }
diff --git a/fetcher/fetcher.go b/fetcher/fetcher.go
index 0ae8f20e..136df8df 100644
--- a/fetcher/fetcher.go
+++ b/fetcher/fetcher.go
@@ -27,14 +27,14 @@ import (
 type Fetcher struct {
 	hc    *retryablehttp.Client
 	limit int64
-	cache *ristretto.Cache
+	cache *ristretto.Cache[[]byte, []byte]
 	ttl   time.Duration
 }
 
 type opts struct {
 	hc    *retryablehttp.Client
 	limit int64
-	cache *ristretto.Cache
+	cache *ristretto.Cache[[]byte, []byte]
 	ttl   time.Duration
 }
 
@@ -55,7 +55,7 @@ func WithMaxHTTPMaxBytes(limit int64) Modifier {
 	}
 }
 
-func WithCache(cache *ristretto.Cache, ttl time.Duration) Modifier {
+func WithCache(cache *ristretto.Cache[[]byte, []byte], ttl time.Duration) Modifier {
 	return func(o *opts) {
 		if ttl < 0 {
 			return
@@ -120,9 +120,8 @@ func (f *Fetcher) fetchRemote(ctx context.Context, source string) (b []byte, err
 	if f.cache != nil {
 		cacheKey := sha256.Sum256([]byte(source))
 		if v, ok := f.cache.Get(cacheKey[:]); ok {
-			cached := v.([]byte)
-			b = make([]byte, len(cached))
-			copy(b, cached)
+			b = make([]byte, len(v))
+			copy(b, v)
 			return b, nil
 		}
 		defer func() {
diff --git a/fetcher/fetcher_test.go b/fetcher/fetcher_test.go
index 62241bee..37ccd57f 100644
--- a/fetcher/fetcher_test.go
+++ b/fetcher/fetcher_test.go
@@ -104,7 +104,7 @@ func TestFetcher(t *testing.T) {
 		}))
 		t.Cleanup(srv.Close)
 
-		cache, err := ristretto.NewCache(&ristretto.Config{
+		cache, err := ristretto.NewCache[[]byte, []byte](&ristretto.Config[[]byte, []byte]{
 			NumCounters: 100 * 10,
 			MaxCost:     100,
 			BufferItems: 64,
diff --git a/go.mod b/go.mod
index ad67bb26..2ad40d55 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/bradleyjkemp/cupaloy/v2 v2.8.0
 	github.com/cenkalti/backoff/v4 v4.3.0
 	github.com/cockroachdb/cockroach-go/v2 v2.3.5
-	github.com/dgraph-io/ristretto v0.1.1
+	github.com/dgraph-io/ristretto v1.0.0
 	github.com/docker/docker v26.1.4+incompatible
 	github.com/evanphx/json-patch/v5 v5.6.0
 	github.com/fatih/structs v1.1.0
@@ -116,7 +116,7 @@ require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/containerd/continuity v0.4.3 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -125,7 +125,7 @@ require (
 	github.com/docker/cli v26.1.4+incompatible // indirect
 	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
-	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/felixge/fgprof v0.9.3 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
@@ -150,7 +150,6 @@ require (
 	github.com/gofrs/flock v0.8.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
-	github.com/golang/glog v1.1.2 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/pprof v0.0.0-20221010195024-131d412537ea // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
@@ -214,7 +213,7 @@ require (
 	go.uber.org/atomic v1.10.0 // indirect
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
 	golang.org/x/image v0.18.0 // indirect
-	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.4.0 // indirect
 	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
diff --git a/go.sum b/go.sum
index 034c0f01..542089ee 100644
--- a/go.sum
+++ b/go.sum
@@ -93,8 +93,8 @@ github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyY
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -123,10 +123,10 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/decred/dcrd/crypto/blake256 v1.0.1/go.mod h1:2OfgNZ5wDpcsFmHmCK5gZTPcCXqlm2ArzUIkw9czNJo=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 h1:8UrgZ3GkP4i/CLijOJx79Yu+etlyjdBU4sfcs2WYQMs=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
-github.com/dgraph-io/ristretto v0.1.1 h1:6CWw5tJNgpegArSHpNHJKldNeq03FQCwYvfMVWajOK8=
-github.com/dgraph-io/ristretto v0.1.1/go.mod h1:S1GPSBCYCIhmVNfcth17y2zZtQT6wzkzgwUve0VDWWA=
-github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
-github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
+github.com/dgraph-io/ristretto v1.0.0 h1:SYG07bONKMlFDUYu5pEu3DGAh8c2OFNzKm6G9J4Si84=
+github.com/dgraph-io/ristretto v1.0.0/go.mod h1:jTi2FiYEhQ1NsMmA7DeBykizjOuY88NhKBkepyu1jPc=
+github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 h1:fAjc9m62+UWV/WAFKLNi6ZS0675eEUC9y3AlwSbQu1Y=
+github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
 github.com/docker/cli v26.1.4+incompatible h1:I8PHdc0MtxEADqYJZvhBrW9bo8gawKwwenxRM7/rLu8=
@@ -138,8 +138,8 @@ github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
 github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
-github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
-github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
@@ -313,8 +313,6 @@ github.com/golang-jwt/jwt/v5 v5.2.1/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVI
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/glog v1.1.2 h1:DVjP2PbBOzHyzA+dn3WhHIq4NdVu3Q+pvivFICf/7fo=
-github.com/golang/glog v1.1.2/go.mod h1:zR+okUeTbrL6EL3xHUDxZuEtGv04p5shwip1+mL/rLQ=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -1086,14 +1084,13 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20221010170243-090e33056c14/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
diff --git a/jwksx/fetcher_v2.go b/jwksx/fetcher_v2.go
index a0ea7590..2806bf53 100644
--- a/jwksx/fetcher_v2.go
+++ b/jwksx/fetcher_v2.go
@@ -36,14 +36,14 @@ type (
 	}
 	// FetcherNext is a JWK fetcher that can be used to fetch JWKs from multiple locations.
 	FetcherNext struct {
-		cache *ristretto.Cache
+		cache *ristretto.Cache[[]byte, jwk.Set]
 	}
 	// FetcherNextOption is a functional option for the FetcherNext.
 	FetcherNextOption func(*fetcherNextOptions)
 )
 
 // NewFetcherNext returns a new FetcherNext instance.
-func NewFetcherNext(cache *ristretto.Cache) *FetcherNext {
+func NewFetcherNext(cache *ristretto.Cache[[]byte, jwk.Set]) *FetcherNext {
 	return &FetcherNext{
 		cache: cache,
 	}
@@ -142,7 +142,7 @@ func (f *FetcherNext) fetch(ctx context.Context, location string, opts *fetcherN
 	cacheKey := sha256.Sum256([]byte(location))
 	if opts.useCache {
 		if result, found := f.cache.Get(cacheKey[:]); found {
-			return result.(jwk.Set), nil
+			return result, nil
 		}
 	}
 
diff --git a/jwksx/fetcher_v2_test.go b/jwksx/fetcher_v2_test.go
index 6bf23f02..42144756 100644
--- a/jwksx/fetcher_v2_test.go
+++ b/jwksx/fetcher_v2_test.go
@@ -10,6 +10,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/lestrrat-go/jwx/jwk"
+
 	"github.com/hashicorp/go-retryablehttp"
 	"github.com/pkg/errors"
 
@@ -59,16 +61,18 @@ func (b brokenTransport) RoundTrip(_ *http.Request) (*http.Response, error) {
 
 func TestFetcherNext(t *testing.T) {
 	ctx := context.Background()
-	cache, _ := ristretto.NewCache(&ristretto.Config{
+	cache, err := ristretto.NewCache[[]byte, jwk.Set](&ristretto.Config[[]byte, jwk.Set]{
 		NumCounters:        100 * 10,
 		MaxCost:            100,
 		BufferItems:        64,
 		Metrics:            true,
 		IgnoreInternalCost: true,
-		Cost: func(value interface{}) int64 {
+		Cost: func(jwk.Set) int64 {
 			return 1
 		},
 	})
+	require.NoError(t, err)
+
 	f := NewFetcherNext(cache)
 
 	createRemoteProvider := func(called *int, payload string) *httptest.Server {