diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index ad3151892..3e6e0ad25 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -30,6 +30,14 @@ jobs:
         with:
           bun-version-file: .bun-version
 
+      - name: Cache Bun packages
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-root-${{ hashFiles('bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-root-
+
       - name: Install dependencies
         run: bun install --frozen-lockfile
 
@@ -65,6 +73,14 @@ jobs:
         with:
           bun-version-file: .bun-version
 
+      - name: Cache Bun packages
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-root-${{ hashFiles('bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-root-
+
       - name: Install dependencies
         run: bun install --frozen-lockfile
 
@@ -96,6 +112,14 @@ jobs:
         with:
           bun-version-file: .bun-version
 
+      - name: Cache Bun packages
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-root-${{ hashFiles('bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-root-
+
       - name: Install dependencies
         run: bun install --frozen-lockfile
 
@@ -120,6 +144,14 @@ jobs:
         with:
           bun-version-file: .bun-version
 
+      - name: Cache Bun packages
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-root-${{ hashFiles('bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-root-
+
       - name: Install dependencies
         run: bun install --frozen-lockfile
 
@@ -147,6 +179,14 @@ jobs:
         with:
           bun-version-file: .bun-version
 
+      - name: Cache Bun packages
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-web-${{ hashFiles('web/bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-web-
+
       - name: Install web dependencies
         run: bun install --cwd web --frozen-lockfile