diff --git a/prow.sh b/prow.sh
index df8c6150..1f5c61de 100755
--- a/prow.sh
+++ b/prow.sh
@@ -86,7 +86,7 @@ configvar CSI_PROW_BUILD_PLATFORMS "linux amd64 amd64; linux ppc64le ppc64le -pp
 # which is disabled with GOFLAGS=-mod=vendor).
 configvar GOFLAGS_VENDOR "$( [ -d vendor ] && echo '-mod=vendor' )" "Go flags for using the vendor directory"
 
-configvar CSI_PROW_GO_VERSION_BUILD "1.22.5" "Go version for building the component" # depends on component's source code
+configvar CSI_PROW_GO_VERSION_BUILD "1.23.1" "Go version for building the component" # depends on component's source code
 configvar CSI_PROW_GO_VERSION_E2E "" "override Go version for building the Kubernetes E2E test suite" # normally doesn't need to be set, see install_e2e
 configvar CSI_PROW_GO_VERSION_SANITY "${CSI_PROW_GO_VERSION_BUILD}" "Go version for building the csi-sanity test suite" # depends on CSI_PROW_SANITY settings below
 configvar CSI_PROW_GO_VERSION_KIND "${CSI_PROW_GO_VERSION_BUILD}" "Go version for building 'kind'" # depends on CSI_PROW_KIND_VERSION below
diff --git a/pull-test.sh b/pull-test.sh
index 5ea051ec..80317720 100755
--- a/pull-test.sh
+++ b/pull-test.sh
@@ -20,6 +20,11 @@
 
 set -ex
 
+# Prow checks out repos with --filter=blob:none. This breaks
+# "git subtree pull" unless we enable fetching missing file content.
+GIT_NO_LAZY_FETCH=0
+export GIT_NO_LAZY_FETCH
+
 # It must be called inside the updated csi-release-tools repo.
 CSI_RELEASE_TOOLS_DIR="$(pwd)"