diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b3706a..749a47c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,8 +48,8 @@ jobs:
       # to be swept, and that list only ever shrinks.
       - run: yarn test:comment-length
 
-      # `expo-doctor` stays blocking. Only the dependency-version check is skipped: it
-      # resolves from the network, so a patch turns main red. See expo-versions.yml.
-      - run: npx expo-doctor
+      # Blocking, minus the network-resolved version check (see expo-versions.yml).
+      # Pinned because 1.21.7 ships without @expo/env and crashes on start.
+      - run: npx expo-doctor@1.21.6
         env:
           EXPO_DOCTOR_SKIP_DEPENDENCY_VERSION_CHECK: "1"