diff --git a/Makefile b/Makefile
index 0a4458a5..919e863d 100644
--- a/Makefile
+++ b/Makefile
@@ -41,6 +41,10 @@ endif
 #########################################
 
 TOOLS_DIR := hack/tools
+# goimports-reviser@v3.4.5 contains the fix for https://github.com/incu6us/goimports-reviser/issues/129.
+#
+# TODO(ialidzhikov): Drop this version overwrite when the registry-cache extension vendors https://github.com/gardener/gardener/pull/8450.
+GOIMPORTSREVISER_VERSION := v3.4.5
 include $(REPO_ROOT)/vendor/github.com/gardener/gardener/hack/tools.mk
 
 #########################################
diff --git a/go.mod b/go.mod
index f474118a..44399068 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/gardener/gardener-extension-registry-cache
 
-go 1.21
+go 1.21.0
 
 require (
 	github.com/ahmetb/gen-crd-api-reference-docs v0.3.0