diff --git a/Makefile b/Makefile
index 2adce08069..a0057f5b23 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@ else
 endif
 
 # Go version to use for builds
-GO_VERSION=1.19
+GO_VERSION=1.20
 
 # K8s version used for Makefile helpers
 K8S_VERSION=1.24.6
diff --git a/go.mod b/go.mod
index 56518660c3..e474b14917 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/flannel-io/flannel
 
-go 1.19
+go 1.20
 
 // replace github.com/dgrijalva/jwt-go => github.com/golang-jwt/jwt/v4 v4.2.0
 
diff --git a/images/Dockerfile.amd64 b/images/Dockerfile.amd64
index a235adaeb7..c6f9b06b77 100644
--- a/images/Dockerfile.amd64
+++ b/images/Dockerfile.amd64
@@ -1,4 +1,4 @@
-FROM alpine:3.17.3
+FROM alpine:3.18.4
 
 ENV FLANNEL_ARCH=amd64
 
diff --git a/images/Dockerfile.arm b/images/Dockerfile.arm
index f8d85ca289..ec57372fbe 100644
--- a/images/Dockerfile.arm
+++ b/images/Dockerfile.arm
@@ -1,4 +1,4 @@
-FROM arm32v6/alpine:3.17.3
+FROM arm32v6/alpine:3.18.4
 
 ENV FLANNEL_ARCH=arm
 
diff --git a/images/Dockerfile.arm64 b/images/Dockerfile.arm64
index 1926c70845..8b2c1ec35e 100644
--- a/images/Dockerfile.arm64
+++ b/images/Dockerfile.arm64
@@ -1,4 +1,4 @@
-FROM arm64v8/alpine:3.17.3
+FROM arm64v8/alpine:3.18.4
 
 ENV FLANNEL_ARCH=arm64
 
diff --git a/images/Dockerfile.ppc64le b/images/Dockerfile.ppc64le
index a634a2adb5..73f05e73bc 100644
--- a/images/Dockerfile.ppc64le
+++ b/images/Dockerfile.ppc64le
@@ -1,4 +1,4 @@
-FROM ppc64le/alpine:3.17.3
+FROM ppc64le/alpine:3.18.4
 
 ENV FLANNEL_ARCH=ppc64le
 
diff --git a/images/Dockerfile.s390x b/images/Dockerfile.s390x
index ae5eb3717d..4f6f9b3dbe 100644
--- a/images/Dockerfile.s390x
+++ b/images/Dockerfile.s390x
@@ -1,4 +1,4 @@
-FROM s390x/alpine:3.17.3
+FROM s390x/alpine:3.18.4
 
 ENV FLANNEL_ARCH=s390x