diff --git a/.ci/pipeline_definitions b/.ci/pipeline_definitions
index ac406ec3..50899eb1 100644
--- a/.ci/pipeline_definitions
+++ b/.ci/pipeline_definitions
@@ -20,7 +20,7 @@ gardener-extension-registry-cache:
     release:
       steps:
         verify:
-          image: 'golang:1.22.5'
+          image: 'golang:1.22.6'
       traits:
         version:
           preprocess: 'finalize'
diff --git a/Dockerfile b/Dockerfile
index 7471bfc5..e8166e24 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 ############# builder
-FROM golang:1.22.5 AS builder
+FROM golang:1.22.6 AS builder
 
 WORKDIR /go/src/github.com/gardener/gardener-extension-registry-cache
 
diff --git a/Makefile b/Makefile
index bb169a05..507a1b67 100644
--- a/Makefile
+++ b/Makefile
@@ -81,7 +81,7 @@ generate: $(VGOPATH) $(CONTROLLER_GEN) $(GEN_CRD_API_REFERENCE_DOCS) $(HELM) $(Y
 
 .PHONE: generate-in-docker
 generate-in-docker:
-	docker run --rm -it -v $(PWD):/go/src/github.com/gardener/gardener-extension-registry-cache golang:1.22.5 \
+	docker run --rm -it -v $(PWD):/go/src/github.com/gardener/gardener-extension-registry-cache golang:1.22.6 \
 		sh -c "cd /go/src/github.com/gardener/gardener-extension-registry-cache \
 				&& make tidy generate \
 				&& chown -R $(shell id -u):$(shell id -g) ."