diff --git a/.ci/pipeline_definitions b/.ci/pipeline_definitions
index 665c9c84..61e9ecbf 100644
--- a/.ci/pipeline_definitions
+++ b/.ci/pipeline_definitions
@@ -15,7 +15,7 @@ gardener-extension-registry-cache:
     release:
       steps:
         verify:
-          image: 'golang:1.21.1'
+          image: 'golang:1.21.2'
       traits:
         version:
           preprocess: 'finalize'
diff --git a/Dockerfile b/Dockerfile
index 459edfb9..a7c37897 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ############# builder
-FROM golang:1.21.1 AS builder
+FROM golang:1.21.2 AS builder
 
 WORKDIR /go/src/github.com/gardener/gardener-extension-registry-cache
 COPY . .
diff --git a/Makefile b/Makefile
index 6d29eeea..ae8daae3 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,7 @@ generate: $(CONTROLLER_GEN) $(GEN_CRD_API_REFERENCE_DOCS) $(HELM) $(YQ)
 
 .PHONE: generate-in-docker
 generate-in-docker:
-	docker run --rm -it -v $(PWD):/go/src/github.com/gardener/gardener-extension-registry-cache golang:1.21.1 \
+	docker run --rm -it -v $(PWD):/go/src/github.com/gardener/gardener-extension-registry-cache golang:1.21.2 \
 		sh -c "cd /go/src/github.com/gardener/gardener-extension-registry-cache \
 				&& make revendor generate \
 				&& chown -R $(shell id -u):$(shell id -g) ."