diff --git a/projects/astral.sh/ruff/package.yml b/projects/astral.sh/ruff/package.yml
index 13081840..25a358ee 100644
--- a/projects/astral.sh/ruff/package.yml
+++ b/projects/astral.sh/ruff/package.yml
@@ -1,5 +1,5 @@
 distributable:
-  url: https://github.com/astral-sh/ruff/archive/refs/tags/v{{version}}.tar.gz
+  url: https://github.com/astral-sh/ruff/archive/refs/tags/{{ version.tag }}.tar.gz
   strip-components: 1
 
 versions:
@@ -30,8 +30,14 @@ test:
     #   Cause: No such file or directory (os error 2)
     - run: mkdir -p .ruff_cache/{{version}}
       if: '>=0.1.12'
-    - ruff -e $FIXTURE | grep "\`os\` imported but unused"
-    - ruff --fix $FIXTURE
+    - run:
+        - ruff -e $FIXTURE | grep "\`os\` imported but unused"
+        - ruff --fix $FIXTURE
+      if: <0.5
+    - run:
+        - (ruff check $FIXTURE || true) | grep "\`os\` imported but unused"
+        - ruff check --fix $FIXTURE
+      if: '>=0.5'
     - test ! -s $FIXTURE
   fixture: |
     import os
diff --git a/projects/github.com/charliermarsh/ruff/package.yml b/projects/github.com/charliermarsh/ruff/package.yml
index cbc1e0fc..d4dd04ab 100644
--- a/projects/github.com/charliermarsh/ruff/package.yml
+++ b/projects/github.com/charliermarsh/ruff/package.yml
@@ -1,5 +1,5 @@
 distributable:
-  url: https://github.com/astral-sh/ruff/archive/refs/tags/v{{version}}.tar.gz
+  url: https://github.com/astral-sh/ruff/archive/refs/tags/{{ version.tag }}.tar.gz
   strip-components: 1
 
 versions:
@@ -30,12 +30,18 @@ test:
   script:
     # v0.1.12 introduced this test error:
     # ruff failed
-    #   Cause: Failed to create cache file '/__w/pantry/pantry/testbeds/github.com__charliermarsh__ruff-0.1.12/.ruff_cache/0.1.12/10391082687706843805'
+    #   Cause: Failed to create cache file '/__w/pantry/pantry/testbeds/astral.sh__ruff-0.1.12/.ruff_cache/0.1.12/10391082687706843805'
     #   Cause: No such file or directory (os error 2)
     - run: mkdir -p .ruff_cache/{{version}}
       if: '>=0.1.12'
-    - ruff -e $FIXTURE | grep "\`os\` imported but unused"
-    - ruff --fix $FIXTURE
+    - run:
+        - ruff -e $FIXTURE | grep "\`os\` imported but unused"
+        - ruff --fix $FIXTURE
+      if: <0.5
+    - run:
+        - (ruff check $FIXTURE || true) | grep "\`os\` imported but unused"
+        - ruff check --fix $FIXTURE
+      if: '>=0.5'
     - test ! -s $FIXTURE
   fixture: |
     import os