diff --git a/.github/workflows/bake.yml b/.github/workflows/bake.yml
index b94a937..4ca5ab5 100644
--- a/.github/workflows/bake.yml
+++ b/.github/workflows/bake.yml
@@ -180,7 +180,7 @@ env:
     --prefer-offline
     --fund=false
     --audit=false
-  COSIGN_VERSION: "v3.0.6"
+  COSIGN_VERSION: "v3.1.1"
   LOCAL_EXPORT_DIR: "/tmp/buildx-output"
   MATRIX_SIZE_LIMIT: "20"
   BUILDX_METADATA_PROVENANCE: "false"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a4ba5aa..5f18b3a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -183,7 +183,7 @@ env:
     --prefer-offline
     --fund=false
     --audit=false
-  COSIGN_VERSION: "v3.0.6"
+  COSIGN_VERSION: "v3.1.1"
   LOCAL_EXPORT_DIR: "/tmp/buildx-output"
   MATRIX_SIZE_LIMIT: "20"
   BUILDX_METADATA_PROVENANCE: "false"