diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 61653c33..96a174a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,13 @@ jobs:
     runs-on: ${{ matrix.platform }}
 
     steps:
+      - name: 'Free disk space'
+        uses: endersonmenezes/free-disk-space@v3
+        with:
+          remove_android: true
+          remove_dotnet: true
+          remove_haskell: true
+
       - name: Check out code
         uses: actions/checkout@v4
         with:
@@ -40,6 +47,21 @@ jobs:
       - name: Install Node.js dependencies
         run: npm ci
 
+      - name: Rust build cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key:
+            ${{ runner.os }}-npm-rust-build-${{ matrix.rust-version }}-${{
+            hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-rust-build-${{ matrix.rust-version }}-
+
       - name: Start regtest
         run: npm run regtest:start:ci && sudo chmod -R 777 regtest
 
@@ -68,6 +90,13 @@ jobs:
     runs-on: ${{ matrix.platform }}
 
     steps:
+      - name: 'Free disk space'
+        uses: endersonmenezes/free-disk-space@v3
+        with:
+          remove_android: true
+          remove_dotnet: true
+          remove_haskell: true
+
       - name: Check out code
         uses: actions/checkout@v4
         with:
@@ -99,6 +128,21 @@ jobs:
       - name: Install Node.js dependencies
         run: npm ci
 
+      - name: Rust build cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key:
+            ${{ runner.os }}-cargo-build-${{ matrix.rust-version }}-${{
+            hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-build-${{ matrix.rust-version }}-
+
       - name: Start regtest
         run: npm run regtest:start:ci && sudo chmod -R 777 regtest