diff --git a/.ci/pipeline_definitions b/.ci/pipeline_definitions
index e41eb9ef..81d5cd9b 100644
--- a/.ci/pipeline_definitions
+++ b/.ci/pipeline_definitions
@@ -76,7 +76,7 @@ gardener-extension-registry-cache:
     release:
       steps:
         verify:
-          image: 'golang:1.23.3'
+          image: 'golang:1.23.4'
       traits:
         version:
           preprocess: 'finalize'
diff --git a/.test-defs/TestSuiteRegistryCacheBetaSerial.yaml b/.test-defs/TestSuiteRegistryCacheBetaSerial.yaml
index 9c0bcf2b..80ac6be4 100644
--- a/.test-defs/TestSuiteRegistryCacheBetaSerial.yaml
+++ b/.test-defs/TestSuiteRegistryCacheBetaSerial.yaml
@@ -23,4 +23,4 @@ spec:
       -ginkgo.skip="\[DISRUPTIVE\]"
       -ginkgo.timeout=9000s
 
-  image: golang:1.23.3
+  image: golang:1.23.4
diff --git a/Makefile b/Makefile
index cee29e35..07e33f31 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:1.23.3 \
+	docker run --rm -it -v $(PWD):/go/src/github.com/gardener/gardener-extension-registry-cache golang:1.23.4 \
 		sh -c "cd /go/src/github.com/gardener/gardener-extension-registry-cache \
 				&& make tidy generate \
 				&& chown -R $(shell id -u):$(shell id -g) ."