diff --git a/ansible/tasks/postgres-extensions/13-plv8.yml b/ansible/tasks/postgres-extensions/13-plv8.yml
index 4352fa814..9f117355e 100644
--- a/ansible/tasks/postgres-extensions/13-plv8.yml
+++ b/ansible/tasks/postgres-extensions/13-plv8.yml
@@ -37,6 +37,13 @@
   when: platform == "arm64"
   ignore_errors: yes # not needed for docker build
 
+- name: plv8 - enable ccache
+  become: yes
+  replace:
+    path: /tmp/plv8/Makefiles/Makefile.docker
+    regexp: "^GN_ARGS ="
+    replace: GN_ARGS = cc_wrapper=\"env CCACHE_SLOPPINESS=time_macros ccache\"
+
 - name: plv8 - build
   make:
     chdir: /tmp/plv8
diff --git a/common.vars.pkr.hcl b/common.vars.pkr.hcl
index 5e13afb9d..bcdf3471c 100644
--- a/common.vars.pkr.hcl
+++ b/common.vars.pkr.hcl
@@ -1 +1 @@
-postgres-version = "15.1.0.39-rc1"
+postgres-version = "15.1.0.39-rc2"