diff --git a/.github/workflows/testinfra-nix.yml b/.github/workflows/testinfra-nix.yml
index 7a3e4eea0..a0a94fe41 100644
--- a/.github/workflows/testinfra-nix.yml
+++ b/.github/workflows/testinfra-nix.yml
@@ -47,7 +47,7 @@ jobs:
         run: |
           packer init stage2-nix-psql.pkr.hcl
           GIT_SHA=${{github.sha}}
-          packer build -var "git-head-version=${GIT_SHA}" -var "packer-execution-id=${GITHUB_RUN_ID}" -var-file="development-arm.vars.pkr.hcl" -var-file="common-nix.vars.pkr.hcl"  -var "postgres-version=ci-ami-test" -var "region=ap-southeast-1" -var 'ami_regions=["ap-southeast-1"]' -var "force-deregister=true" stage2-nix-psql.pkr.hcl 
+          packer build -var "git-head-version=${GIT_SHA}" -var "packer-execution-id=${GITHUB_RUN_ID}" -var-file="development-arm.vars.pkr.hcl" -var-file="common-nix.vars.pkr.hcl"  -var "postgres-version=ci-ami-test" -var "region=ap-southeast-1" -var 'ami_regions=["ap-southeast-1"]' -var "force-deregister=true" -var "git_sha=${GITHUB_SHA}"  stage2-nix-psql.pkr.hcl 
 
       - name: Run tests
         timeout-minutes: 10
diff --git a/ansible/tasks/stage2-setup-postgres.yml b/ansible/tasks/stage2-setup-postgres.yml
index c5e1b3fbb..911e1eae5 100644
--- a/ansible/tasks/stage2-setup-postgres.yml
+++ b/ansible/tasks/stage2-setup-postgres.yml
@@ -6,7 +6,7 @@
 - name: Install Postgres from nix binary cache
   become: yes
   shell: |
-    sudo -u postgres bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix profile install github:supabase/postgres/sam/2-stage-ami-nix#psql_15/bin"
+    sudo -u postgres bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix profile install github:supabase/postgres/{{ git_commit_sha }}#psql_15/bin"
 #TODO (samrose) switch pg_prove sourcing to develop branch once PR is merged
   when: stage2_nix
 
diff --git a/common-nix.vars.pkr.hcl b/common-nix.vars.pkr.hcl
index ce914fc26..a7da699b5 100644
--- a/common-nix.vars.pkr.hcl
+++ b/common-nix.vars.pkr.hcl
@@ -1 +1 @@
-postgres-version = "15.6.1.90-nix-staged"
+postgres-version = "15.6.1.91-nix-staged"
diff --git a/nix/ext/timescaledb.nix b/nix/ext/timescaledb.nix
index d5bb60423..4c3f2ef1e 100644
--- a/nix/ext/timescaledb.nix
+++ b/nix/ext/timescaledb.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     owner = "timescale";
     repo = "timescaledb";
     rev = version;
-    hash = "sha256-gJViEWHtIczvIiQKuvvuwCfWJMxAYoBhCHhD75no6r0=";
+    hash = "sha256-fvVSxDiGZAewyuQ2vZDb0I6tmlDXl6trjZp8+qDBtb8=";
   };
 
   cmakeFlags = [ "-DSEND_TELEMETRY_DEFAULT=OFF" "-DREGRESS_CHECKS=OFF" "-DTAP_CHECKS=OFF" ]
diff --git a/nix/ext/wrappers/default.nix b/nix/ext/wrappers/default.nix
index ec785d09d..16b3a6315 100644
--- a/nix/ext/wrappers/default.nix
+++ b/nix/ext/wrappers/default.nix
@@ -10,14 +10,14 @@
 
 buildPgrxExtension_0_11_3 rec {
   pname = "supabase-wrappers";
-  version = "0.3.1";
+  version = "0.4.1";
   inherit postgresql;
 
   src = fetchFromGitHub {
     owner = "supabase";
     repo = "wrappers";
     rev = "v${version}";
-    hash = "sha256-ZwTw0USJC/F/ZW5usX7p0CB8p2YzeUb6OLiMF3D1+J4=";
+    hash = "sha256-AU9Y43qEMcIBVBThu+Aor1HCtfFIg+CdkzK9IxVdkzM=";
   };
 
   nativeBuildInputs = [ pkg-config cargo ];
diff --git a/scripts/nix-provision.sh b/scripts/nix-provision.sh
index 43682412a..223e84926 100644
--- a/scripts/nix-provision.sh
+++ b/scripts/nix-provision.sh
@@ -25,15 +25,17 @@ function install_nix() {
 
 
 function execute_stage2_playbook {
-
-sudo tee /etc/ansible/ansible.cfg <<EOF
+    sudo tee /etc/ansible/ansible.cfg <<EOF
 [defaults]
 callbacks_enabled = timer, profile_tasks, profile_roles
 EOF
-	sed -i 's/- hosts: all/- hosts: localhost/' /tmp/ansible-playbook/ansible/playbook.yml
-	# Run Ansible playbook
-	export ANSIBLE_LOG_PATH=/tmp/ansible.log && export ANSIBLE_REMOTE_TEMP=/tmp
-	ansible-playbook /tmp/ansible-playbook/ansible/playbook.yml --extra-vars '{"nixpkg_mode": false, "stage2_nix": true, "debpkg_mode": false}' $ARGS
+    sed -i 's/- hosts: all/- hosts: localhost/' /tmp/ansible-playbook/ansible/playbook.yml
+    # Run Ansible playbook
+    export ANSIBLE_LOG_PATH=/tmp/ansible.log && export ANSIBLE_REMOTE_TEMP=/tmp
+    ansible-playbook /tmp/ansible-playbook/ansible/playbook.yml \
+        --extra-vars '{"nixpkg_mode": false, "stage2_nix": true, "debpkg_mode": false}' \
+        --extra-vars "git_commit_sha=${GIT_SHA}" \
+        $ARGS
 }
 
 
diff --git a/stage2-nix-psql.pkr.hcl b/stage2-nix-psql.pkr.hcl
index 8f4d50388..62098e5bb 100644
--- a/stage2-nix-psql.pkr.hcl
+++ b/stage2-nix-psql.pkr.hcl
@@ -41,6 +41,10 @@ variable "force-deregister" {
   type    = bool
   default = false
 }
+variable "git_sha" {
+  type    = string
+  default = env("GIT_SHA")
+}
 
 packer {
   required_plugins {
@@ -128,6 +132,9 @@ build {
   }
   
   provisioner "shell" {
+    environment_vars = [
+      "GIT_SHA=${var.git_sha}"
+    ]
      script = "scripts/nix-provision.sh"
   }