diff --git a/.github/workflows/binary-gems.yml b/.github/workflows/binary-gems.yml
index d475a454..8067c131 100644
--- a/.github/workflows/binary-gems.yml
+++ b/.github/workflows/binary-gems.yml
@@ -52,7 +52,7 @@ jobs:
           - os: windows-latest
             ruby: "3.3"
             platform: "x64-mingw-ucrt"
-            PGVERSION: 16.0-1-windows-x64
+            PGVERSION: 17.0-1-windows-x64
           - os: windows-latest
             ruby: "3.1.4-1"
             platform: "x86-mingw32"
diff --git a/.github/workflows/source-gem.yml b/.github/workflows/source-gem.yml
index c1e4cd46..2f37bf59 100644
--- a/.github/workflows/source-gem.yml
+++ b/.github/workflows/source-gem.yml
@@ -44,19 +44,19 @@ jobs:
         include:
           - os: windows
             ruby: "head"
-            PGVERSION: 16.0-1-windows-x64
-            PGVER: "16"
+            PGVERSION: 17.0-1-windows-x64
+            PGVER: "17"
           - os: windows
             ruby: "2.5"
             PGVERSION: 9.4.26-1-windows-x64
             PGVER: "9.4"
           - os: windows
             ruby: "mswin"
-            PGVERSION: 16.0-1-windows-x64
-            PGVER: "16"
+            PGVERSION: 17.0-1-windows-x64
+            PGVER: "17"
           - os: ubuntu
             ruby: "head"
-            PGVER: "16"
+            PGVER: "17"
           - os: ubuntu
             ruby: "3.2"
             PGVER: "12"
@@ -69,11 +69,11 @@ jobs:
             PGVER: "13"
           - os: ubuntu
             ruby: "truffleruby-head"
-            PGVER: "16"
+            PGVER: "17"
           - os: macos
             ruby: "head"
-            PGVERSION: 16.0-1-osx
-            PGVER: "16"
+            PGVERSION: 17.0-1-osx
+            PGVER: "17"
 
     runs-on: ${{ matrix.os }}-${{ matrix.os_ver || 'latest' }}
     env: