diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index ec5c3c563e1..975ca13e8dc 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -15,10 +15,6 @@ updates:
     time: "00:00"
     timezone: "Europe/London"
   groups:
-    tailwind:
-      patterns:
-        - 'tailwindcss'
-        - '@tailwindcss/*'
     vitest:
       patterns:
         - 'vitest'
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 26bd536d0ac..9b8f412f7ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest-32-cores
     services:
       postgres:
-        image: postgres:15.10-alpine
+        image: postgres:15.6-alpine
         ports:
         - 5432:5432
         env:
@@ -151,7 +151,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres:15.10-alpine
+        image: postgres:15.6-alpine
         ports:
         - 5432:5432
         env:
diff --git a/docker-compose.yml b/docker-compose.yml
index cf662b5b3a8..74001f18bb0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:15.10-alpine
+    image: postgres:15.6-alpine
     ports:
       - "127.0.0.1:5432:5432"
     healthcheck:
diff --git a/requirements/checkformatting.in b/requirements/checkformatting.in
index be6a50dee01..620ef0eb416 100644
--- a/requirements/checkformatting.in
+++ b/requirements/checkformatting.in
@@ -1,4 +1,3 @@
-pip==25.3
 pip-tools
 pip-sync-faster
 ruff
diff --git a/requirements/coverage.in b/requirements/coverage.in
index e90dc290380..9af517eb05d 100644
--- a/requirements/coverage.in
+++ b/requirements/coverage.in
@@ -1,4 +1,3 @@
-pip==25.3
 pip-tools
 pip-sync-faster
 coverage[toml]
diff --git a/requirements/format.in b/requirements/format.in
index be6a50dee01..620ef0eb416 100644
--- a/requirements/format.in
+++ b/requirements/format.in
@@ -1,4 +1,3 @@
-pip==25.3
 pip-tools
 pip-sync-faster
 ruff
diff --git a/requirements/prod.in b/requirements/prod.in
index cecffa119d7..d42b57fbf51 100644
--- a/requirements/prod.in
+++ b/requirements/prod.in
@@ -1,4 +1,3 @@
-pip==25.3
 pyramid
 gunicorn
 newrelic
diff --git a/requirements/template.in b/requirements/template.in
index 7d3f20a2007..155c109bc76 100644
--- a/requirements/template.in
+++ b/requirements/template.in
@@ -1,4 +1,3 @@
-pip==25.3
 pip-tools
 pip-sync-faster
 cookiecutter