diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 89726bef..44428170 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,9 +35,11 @@ jobs:
 
   test:
     runs-on: ubuntu-latest
-    # Cap a hung run at 20 min instead of riding GitHub's 6-hour default
-    # (a flaky-hang run otherwise streams -v output for hours).
-    timeout-minutes: 20
+    # Cap a hung run at 30 min instead of riding GitHub's 6-hour default
+    # (a flaky-hang run otherwise streams -v output for hours).  Was 20;
+    # the suite's growth (~9.7k tests, coverage-instrumented, 3-version
+    # matrix) started brushing the old cap on healthy runs.
+    timeout-minutes: 30
     strategy:
       matrix:
         python-version: ["3.11", "3.12", "3.13"]
@@ -66,7 +68,7 @@ jobs:
 
   test-postgres:
     runs-on: ubuntu-latest
-    timeout-minutes: 20
+    timeout-minutes: 30
     services:
       postgres:
         image: postgres:18