diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 25b0a99..4c9ae7e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                python-version: ['3.8', '3.9', '3.10', '3.11', 'pypy-3.9']
+                python-version: ['3.8', '3.9', '3.10', '3.11', 'pypy-3.9-7.3.12']
 
         steps:
             - name: Checkout repository
diff --git a/tox.ini b/tox.ini
index 4de766f..6581723 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ python =
     3.9: py39
     3.10: py310
     3.11: py311
-    pypy-3.9: pypy3
+    pypy-3.9-7.3.12: pypy3
 
 [testenv]
 setenv =