diff --git a/.github/workflows/service.yml b/.github/workflows/service.yml
index b8dda67..6871bb3 100644
--- a/.github/workflows/service.yml
+++ b/.github/workflows/service.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: pgvector/pgvector:pg16
+        image: pgvector/pgvector:pg17
         env:
           POSTGRES_HOST_AUTH_METHOD: trust
         options: >-
diff --git a/.github/workflows/step.yml b/.github/workflows/step.yml
index 1c9e4c9..47fafdb 100644
--- a/.github/workflows/step.yml
+++ b/.github/workflows/step.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, ubuntu-20.04]
+        os: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04]
     steps:
       - name: Install pgvector
         run: |
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, macos-12, macos-11]
+        os: [macos-14, macos-13]
     steps:
       - name: Install pgvector
         run: brew install pgvector
diff --git a/README.md b/README.md
index 03d0298..73f78a2 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ For a [service container](https://docs.github.com/en/actions/using-containerized
 ```yml
     services:
       postgres:
-        image: pgvector/pgvector:pg16
+        image: pgvector/pgvector:pg17
         env:
           POSTGRES_HOST_AUTH_METHOD: trust
         options: >-