diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59a49496..4d98b9ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,9 +6,16 @@
 
 - fido-authenticator: Implement the largeBlobKey extension and the largeBlobs command ([fido-authenticator#38][])
 - piv: Fix crash when changing PUK ([piv-authenticator#38][])
+- OpenPGP: add support for additional curves when using the se050 backend: ([#524][])
+  - NIST P-384
+  - NIST P-521
+  - brainpoolp256r1
+  - brainpoolp384r1
+  - brainpoolp512r1
 
 [fido-authenticator#38]: https://github.com/Nitrokey/fido-authenticator/issues/38
 [piv-authenticator#38]: https://github.com/Nitrokey/piv-authenticator/issues/38
+[#524]: https://github.com/Nitrokey/nitrokey-3-firmware/pull/524
 
 ## v1.7.2 (2024-06-11)
 
diff --git a/Cargo.lock b/Cargo.lock
index 6b90e093..55edbe6f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1726,7 +1726,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e310b3a6b5907f99202fcdb4960ff45b93735d7c7d96b760fcff8db2dc0e103d"
 dependencies = [
  "cfg-if",
- "windows-targets 0.52.6",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -2598,9 +2598,9 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "se05x"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10275292b1bec845ff4a1c60910e74f2f1dfbd2575c220c57a9d7ee89db1072"
+checksum = "5c532692f81ed21aaab0c629927a6eb9a172ba968310d4409672a615951d9140"
 dependencies = [
  "aes",
  "bitflags 2.6.0",
@@ -3260,13 +3260,14 @@ dependencies = [
 [[package]]
 name = "trussed-se050-backend"
 version = "0.3.0"
-source = "git+https://github.com/Nitrokey/trussed-se050-backend.git?tag=v0.3.4#351a879379d2e50f6324d1501a4f5788a4a8ad8b"
+source = "git+https://github.com/Nitrokey/trussed-se050-backend.git?tag=v0.3.5#f04beb6e1d5cc0ec84af4fcdc05338450c24cb0e"
 dependencies = [
  "admin-app",
  "bitflags 2.6.0",
  "cbor-smol",
  "crypto-bigint",
  "delog",
+ "der",
  "embedded-hal",
  "hex-literal 0.4.1",
  "hkdf",
diff --git a/Cargo.toml b/Cargo.toml
index 45f9a6fc..d2a6b10d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ trussed-hkdf = { git = "https://github.com/trussed-dev/trussed-staging.git", tag
 trussed-rsa-alloc = { git = "https://github.com/trussed-dev/trussed-rsa-backend.git", tag = "v0.2.1" }
 trussed-usbip = { git = "https://github.com/Nitrokey/pc-usbip-runner.git", tag = "v0.0.1-nitrokey.4" }
 trussed-se050-manage = { git = "https://github.com/Nitrokey/trussed-se050-backend.git", tag = "se050-manage-v0.1.0" }
-trussed-se050-backend = { git = "https://github.com/Nitrokey/trussed-se050-backend.git", tag  = "v0.3.4" }
+trussed-se050-backend = { git = "https://github.com/Nitrokey/trussed-se050-backend.git", tag ="v0.3.5" }
 
 [profile.release]
 codegen-units = 1
diff --git a/components/apps/src/lib.rs b/components/apps/src/lib.rs
index 2e32cf59..9495156c 100644
--- a/components/apps/src/lib.rs
+++ b/components/apps/src/lib.rs
@@ -1005,9 +1005,13 @@ impl<R: Runner> App<R> for OpcardApp<R> {
                     #[cfg(feature = "nk3-test")]
                     Alg::P_384,
                     #[cfg(feature = "nk3-test")]
+                    Alg::P_521,
+                    #[cfg(feature = "nk3-test")]
                     Alg::BRAINPOOL_P256R1,
                     #[cfg(feature = "nk3-test")]
                     Alg::BRAINPOOL_P384R1,
+                    #[cfg(feature = "nk3-test")]
+                    Alg::BRAINPOOL_P512R1,
                     Alg::RSA_2048,
                     Alg::RSA_3072,
                     Alg::RSA_4096,