diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc60f07..8916313 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: macos-26
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install dependencies
         run: brew install clang-format swift-format
@@ -34,7 +34,7 @@ jobs:
             custom_phrase.txt
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: artifact.zip
           path: |
@@ -54,11 +54,11 @@ jobs:
           - { platform: OS64 }
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
           repository: google/mozc
@@ -103,7 +103,7 @@ jobs:
 
       - name: Download artifact
         if: ${{ matrix.platform == 'OS64' }}
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           merge-multiple: true
 
@@ -122,7 +122,7 @@ jobs:
 
       - name: Upload artifact
         if: ${{ github.ref != 'refs/heads/master' && matrix.platform == 'OS64' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Fcitx5.ipa
           path: |
diff --git a/.github/workflows/compare.yml b/.github/workflows/compare.yml
index f703749..eca3e67 100644
--- a/.github/workflows/compare.yml
+++ b/.github/workflows/compare.yml
@@ -9,7 +9,6 @@ jobs:
     steps:
       - name: Install bsdtar
         run: |
-          sudo rm /var/lib/man-db/auto-update
           sudo apt update && sudo apt install -y libarchive-tools
           sudo ln -sf /usr/bin/bsdtar /usr/bin/tar
 
@@ -17,7 +16,7 @@ jobs:
         run: wget -O release.ipa https://github.com/fcitx-contrib/fcitx5-ios/releases/download/latest/Fcitx5.ipa
 
       - name: Download artifact
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           merge-multiple: true
 
diff --git a/CREDITS.md b/CREDITS.md
index 65dea8c..9d29f8c 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -31,7 +31,6 @@
 * [fmt](https://github.com/fmtlib/fmt): MIT
 * [glog](https://github.com/google/glog): BSD-3-Clause
 * [json](https://github.com/nlohmann/json): MIT
-* [json-c](https://github.com/json-c/json-c): MIT
 * [leveldb](https://github.com/google/leveldb): BSD-3-Clause
 * [libintl](https://github.com/j-jorge/libintl-lite): BSL-1.0
 * [libuv](https://github.com/libuv/libuv): MIT
diff --git a/engines/fcitx5-chinese-addons b/engines/fcitx5-chinese-addons
index 13f4eac..f0314ad 160000
--- a/engines/fcitx5-chinese-addons
+++ b/engines/fcitx5-chinese-addons
@@ -1 +1 @@
-Subproject commit 13f4eacacae8d204463c34880e0cba9d81c521e1
+Subproject commit f0314adc7da3f942639363351b52e129d3840c13
diff --git a/engines/fcitx5-mozc b/engines/fcitx5-mozc
index 3715411..79cd029 160000
--- a/engines/fcitx5-mozc
+++ b/engines/fcitx5-mozc
@@ -1 +1 @@
-Subproject commit 3715411eec5327fb12add6988f7bd83954e11f0d
+Subproject commit 79cd0294f89b812f7afc5956349caa951e67ae47
diff --git a/engines/fcitx5-rime b/engines/fcitx5-rime
index 7fedbbf..52b2118 160000
--- a/engines/fcitx5-rime
+++ b/engines/fcitx5-rime
@@ -1 +1 @@
-Subproject commit 7fedbbff72f49bc2ea2ef5f2e1d8ccafd9a5e4a6
+Subproject commit 52b21180baf59f3f890229d9a6d4e1d81be37ecb
diff --git a/engines/libime b/engines/libime
index 39ced92..1bae691 160000
--- a/engines/libime
+++ b/engines/libime
@@ -1 +1 @@
-Subproject commit 39ced92b4450f49b03e38bdd6a58d1f1b9430824
+Subproject commit 1bae691968e002ea937b6fa8ec04dfc3360d3de1
diff --git a/fcitx5 b/fcitx5
index bd075df..70fe117 160000
--- a/fcitx5
+++ b/fcitx5
@@ -1 +1 @@
-Subproject commit bd075df56f67ec1fcff757d0034db9b9d72fc721
+Subproject commit 70fe117d4458d2598331161e59fd4585b2df4558
diff --git a/scripts/install-deps.sh b/scripts/install-deps.sh
index e31146a..28d0da3 100755
--- a/scripts/install-deps.sh
+++ b/scripts/install-deps.sh
@@ -5,7 +5,6 @@ deps=(
   fmt
   glog
   json
-  json-c
   leveldb
   libintl
   libmozc