diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12e9ea21..e94b9aa1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,13 +30,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.10", "3.11", "3.12", "3.13" ]
+        # python-version: [ "3.10", "3.11", "3.12", "3.13" ]
+        python-version: [ "3.13" ]
         runs-on: [ "macos-latest" ]
 
-        include:
-          # Don't need to run x86 tests on every Python version
-          - python-version: "3.13"
-            runs-on: "macos-15-intel"
+        # include:
+        #   # Don't need to run x86 tests on every Python version
+        #   - python-version: "3.13"
+        #     runs-on: "macos-15-intel"
 
     steps:
     - name: Checkout
@@ -104,3 +105,11 @@ jobs:
       run: |
         source ./setup-iOS.sh ${{ matrix.python-version }}
         forge iOS brotli -vv
+
+        # This step is only needed if you're trying to diagnose test failures that
+    # only occur in CI, and can't be reproduced locally. When it runs, it will
+    # open an SSH server (URL reported in the logs) so you can ssh into the CI
+    # machine.
+    - name: Setup tmate session
+      uses: mxschmitt/action-tmate@v3
+      if: failure()
diff --git a/recipes/libjpeg/meta.yaml b/recipes/libjpeg/meta.yaml
index 807445cb..fcd8a9c9 100644
--- a/recipes/libjpeg/meta.yaml
+++ b/recipes/libjpeg/meta.yaml
@@ -3,7 +3,7 @@ package:
   version: 1.5.3
 
 source:
-  url: https://downloads.sourceforge.net/project/libjpeg-turbo/{version}/libjpeg-turbo-{version}.tar.gz
+  url: https://github.com/libjpeg-turbo/libjpeg-turbo/releases/download/{version}/libjpeg-turbo-{version}.tar.gz
 
 patches:
   - config.patch