diff --git a/py/requirements.txt b/py/requirements.txt
index 6e2fcddbfd0b2..3dfbe58c683ab 100644
--- a/py/requirements.txt
+++ b/py/requirements.txt
@@ -13,7 +13,7 @@ inflection==0.5.1
 iniconfig==2.0.0
 more-itertools==10.1.0
 multidict==6.0.5
-outcome==1.3.0
+outcome==1.3.0.post0
 packaging==23.2
 pluggy==1.3.0
 py==1.11.0
diff --git a/py/requirements_lock.txt b/py/requirements_lock.txt
index 2f66284c6b8f0..a081808cccea8 100644
--- a/py/requirements_lock.txt
+++ b/py/requirements_lock.txt
@@ -423,9 +423,9 @@ nh3==0.2.15 \
     --hash=sha256:d1e30ff2d8d58fb2a14961f7aac1bbb1c51f9bdd7da727be35c63826060b0bf3 \
     --hash=sha256:f3b53ba93bb7725acab1e030bc2ecd012a817040fd7851b332f86e2f9bb98dc6
     # via readme-renderer
-outcome==1.3.0 \
-    --hash=sha256:588ef4dc10b64e8df160d8d1310c44e1927129a66d6d2ef86845cef512c5f24c \
-    --hash=sha256:7b688fd82db72f4b0bc9e883a00359d4d4179cd97d27f09c9644d0c842ba7786
+outcome==1.3.0.post0 \
+    --hash=sha256:9dcf02e65f2971b80047b377468e72a268e15c0af3cf1238e6ff14f7f91143b8 \
+    --hash=sha256:e771c5ce06d1415e356078d3bdd68523f284b4ce5419828922b6871e65eda82b
     # via
     #   -r py/requirements.txt
     #   pytest-trio