diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6bcd6d22..4a192357d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,13 +12,13 @@ jobs:
             configure: --pb --threads --enable-libffi
             test: test-some-fast
           - machine: a6osx
-            os: macos-15-intel
+            os: macos-26-intel
           - machine: ta6osx
-            os: macos-15-intel
+            os: macos-26-intel
           - machine: arm64osx
-            os: macos-15
+            os: macos-26
           - machine: tarm64osx
-            os: macos-15
+            os: macos-26
           - machine: i3le
             os: ubuntu-24.04
           - machine: ti3le
@@ -71,7 +71,7 @@ jobs:
         if: ${{ runner.os == 'Windows' }}
         run: git config --global core.autocrlf false
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: 'recursive'
       - name: Setup 32-bit Linux
@@ -100,7 +100,7 @@ jobs:
         run: tar -c -h -z -f $TARGET_MACHINE$TOOLCHAIN$VARIANT.tgz $TARGET_MACHINE
       - name: Upload archive
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ matrix.config.machine }}${{ matrix.config.toolchain }}${{ matrix.config.variant }}
           path: ${{ matrix.config.machine }}${{ matrix.config.toolchain }}${{ matrix.config.variant }}.tgz
diff --git a/lz4 b/lz4
index 5ff839680..ebb370ca8 160000
--- a/lz4
+++ b/lz4
@@ -1 +1 @@
-Subproject commit 5ff839680134437dbf4678f3d0c7b371d84f4964
+Subproject commit ebb370ca83af193212df4dcbadcc5d87bc0de2f0
diff --git a/nanopass b/nanopass
index f3100ceda..bb47b5695 160000
--- a/nanopass
+++ b/nanopass
@@ -1 +1 @@
-Subproject commit f3100cedaf9ed7fb89647a770d855997b32cf17e
+Subproject commit bb47b5695a5bffdfd4d99ec9b349f0864b08e0d4
diff --git a/stex b/stex
index 5e4f0ca67..afa607564 160000
--- a/stex
+++ b/stex
@@ -1 +1 @@
-Subproject commit 5e4f0ca67bac448e19a24c09f12fc16d24cd6b6d
+Subproject commit afa607564a5662ffd748e824801277a6b5a3d11c
diff --git a/zuo b/zuo
index 063f82c38..a288cbfe3 160000
--- a/zuo
+++ b/zuo
@@ -1 +1 @@
-Subproject commit 063f82c381d871f2d8300e857a33c194ea054d35
+Subproject commit a288cbfe350403899311ca7d8267d570e781ed2c