diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a9b9de23..53f6b392 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,10 +30,10 @@ jobs:
         matrix: |
           os {linux},   cpu {amd64}, builder {ubuntu-20.04},   tests {all},         nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
           os {macos},   cpu {amd64}, builder {macos-13},       tests {all},         nim_version {${{ env.nim_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-          os {windows}, cpu {amd64}, builder {windows-2019}, tests {unittest},    nim_version {${{ env.nim_version }}}, shell {msys2}
-          os {windows}, cpu {amd64}, builder {windows-2019}, tests {contract},    nim_version {${{ env.nim_version }}}, shell {msys2}
-          os {windows}, cpu {amd64}, builder {windows-2019}, tests {integration}, nim_version {${{ env.nim_version }}}, shell {msys2}
-          os {windows}, cpu {amd64}, builder {windows-2019}, tests {tools},       nim_version {${{ env.nim_version }}}, shell {msys2}
+          os {windows}, cpu {amd64}, builder {windows-latest}, tests {unittest},    nim_version {${{ env.nim_version }}}, shell {msys2}
+          os {windows}, cpu {amd64}, builder {windows-latest}, tests {contract},    nim_version {${{ env.nim_version }}}, shell {msys2}
+          os {windows}, cpu {amd64}, builder {windows-latest}, tests {integration}, nim_version {${{ env.nim_version }}}, shell {msys2}
+          os {windows}, cpu {amd64}, builder {windows-latest}, tests {tools},       nim_version {${{ env.nim_version }}}, shell {msys2}
 
   build:
     needs: matrix
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5d00963a..2fee5dd5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
           os {linux},   cpu {arm64}, builder {buildjet-4vcpu-ubuntu-2204-arm}, nim_version {${{ env.nim_version }}}, rust_version {${{ env.rust_version }}}, shell {bash --noprofile --norc -e -o pipefail}
           os {macos},   cpu {amd64}, builder {macos-13},                       nim_version {${{ env.nim_version }}}, rust_version {${{ env.rust_version }}}, shell {bash --noprofile --norc -e -o pipefail}
           os {macos},   cpu {arm64}, builder {macos-14},                       nim_version {${{ env.nim_version }}}, rust_version {${{ env.rust_version }}}, shell {bash --noprofile --norc -e -o pipefail}
-          os {windows}, cpu {amd64}, builder {windows-2019},                 nim_version {${{ env.nim_version }}}, rust_version {${{ env.rust_version }}}, shell {msys2}
+          os {windows}, cpu {amd64}, builder {windows-latest},                 nim_version {${{ env.nim_version }}}, rust_version {${{ env.rust_version }}}, shell {msys2}
 
   # Build
   build: