diff --git a/.github/workflows/nanobind.yml b/.github/workflows/nanobind.yml
index e0ef11d..6100254 100644
--- a/.github/workflows/nanobind.yml
+++ b/.github/workflows/nanobind.yml
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'ubuntu-latest', 'ubuntu-latest', 'ubuntu-latest']
-        python: ['pypy3.9-v7.3.15', 'pypy3.10-v7.3.15', 'pypy3.9-v7.3.15', 'pypy3.10-v7.3.15', 'pypy3.9-v7.3.15', 'pypy3.10-v7.3.15', 'pypy3.9-v7.3.15', 'pypy3.10-v7.3.15']
+        python: ['pypy3.9-nightly', 'pypy3.10-nightly']
 
     name: "Python ${{ matrix.python }} / ${{ matrix.os }}"
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/numpy.yml b/.github/workflows/numpy.yml
index d874bb2..ec1856e 100644
--- a/.github/workflows/numpy.yml
+++ b/.github/workflows/numpy.yml
@@ -28,7 +28,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python_version: [pypy-3.9-nightly, pypy-3.10-nightly]
+        python_version: [pypy-3.10-nightly]
 
     timeout-minutes: 120