diff --git a/.github/workflows/check-md-links.yml b/.github/workflows/check-md-links.yml
index 6334959..b4acba9 100644
--- a/.github/workflows/check-md-links.yml
+++ b/.github/workflows/check-md-links.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone @api3/data-feed-proxy-combinators
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Check Markdown links
         uses: umbrelladocs/action-linkspector@v1
         with:
diff --git a/.github/workflows/continuous-build.yml b/.github/workflows/continuous-build.yml
index 7d412c5..d927361 100644
--- a/.github/workflows/continuous-build.yml
+++ b/.github/workflows/continuous-build.yml
@@ -13,13 +13,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone @api3/data-feed-proxy-combinators
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up pnpm
         uses: pnpm/action-setup@v3
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: '20.17.0'
           cache: 'pnpm'
diff --git a/package.json b/package.json
index 24582c8..2488f8f 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "hardhat-deploy": "^1.0.4",
     "prettier": "^3.6.2",
     "prettier-plugin-solidity": "^2.1.0",
-    "solhint": "^5.2.0",
+    "solhint": "^6.0.1",
     "solidity-coverage": "^0.8.16",
     "ts-node": "^10.9.2",
     "typechain": "^8.3.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 06b4482..6c62c5c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -72,8 +72,8 @@ importers:
         specifier: ^2.1.0
         version: 2.1.0(prettier@3.6.2)
       solhint:
-        specifier: ^5.2.0
-        version: 5.2.0(typescript@5.9.3)
+        specifier: ^6.0.1
+        version: 6.0.1(typescript@5.9.3)
       solidity-coverage:
         specifier: ^0.8.16
         version: 0.8.16(hardhat@2.26.3(ts-node@10.9.2(@types/node@22.18.8)(typescript@5.9.3))(typescript@5.9.3))
@@ -677,6 +677,9 @@ packages:
   '@solidity-parser/parser@0.20.1':
     resolution: {integrity: sha512-58I2sRpzaQUN+jJmWbHfbWf9AKfzqCI8JAdFB0vbyY+u8tBRcuTt9LxzasvR0LGQpcRv97eyV7l61FQ3Ib7zVw==}
 
+  '@solidity-parser/parser@0.20.2':
+    resolution: {integrity: sha512-rbu0bzwNvMcwAjH86hiEAcOeRI2EeK8zCkHDrFykh/Al8mvJeFmjy3UrE7GYQjNwOgbGUUtCn5/k8CB8zIu7QA==}
+
   '@szmarczak/http-timer@5.0.1':
     resolution: {integrity: sha512-+PmQX0PiAYPMeVYe237LJAYvOMYW1j2rH5YROyS3b4CTVJum34HfRvKvAzozHAQG0TnHNdUfY9nCeUyRAs//cw==}
     engines: {node: '>=14.16'}
@@ -2129,10 +2132,6 @@ packages:
     resolution: {integrity: sha512-oRXApq54ETRj4eMiFzGnHWGy+zo5raudjuxN0b8H7s/RU2oW0Wvsx9O0ACRN/kRq9E8Vu/ReskGB5o3ji+FzHQ==}
     engines: {node: '>=12'}
 
-  fs-extra@11.3.0:
-    resolution: {integrity: sha512-Z4XaCL6dUDHfP/jT25jJKMmtxvuwbkrD1vNSMFlo9lNLY2c5FHYSQgHPRZUjAB26TpDEoW9HCOgplrdbaPV/ew==}
-    engines: {node: '>=14.14'}
-
   fs-extra@7.0.1:
     resolution: {integrity: sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==}
     engines: {node: '>=6 <7 || >=8'}
@@ -3469,8 +3468,8 @@ packages:
     engines: {node: '>=10.0.0'}
     hasBin: true
 
-  solhint@5.2.0:
-    resolution: {integrity: sha512-9NZC1zt+O2K7zEZOhTT9rFeB6GdxC6qTX5pWX70RaQoflR9RejJQUC+/19LNi+e7K9Ptb4k7XAWO9wY5mkprHg==}
+  solhint@6.0.1:
+    resolution: {integrity: sha512-Lew5nhmkXqHPybzBzkMzvvWkpOJSSLTkfTZwRriWvfR2naS4YW2PsjVGaoX9tZFmHh7SuS+e2GEGo5FPYYmJ8g==}
     hasBin: true
 
   solidity-coverage@0.8.16:
@@ -4927,6 +4926,8 @@ snapshots:
 
   '@solidity-parser/parser@0.20.1': {}
 
+  '@solidity-parser/parser@0.20.2': {}
+
   '@szmarczak/http-timer@5.0.1':
     dependencies:
       defer-to-connect: 2.0.1
@@ -6750,12 +6751,6 @@ snapshots:
       jsonfile: 6.1.0
       universalify: 2.0.1
 
-  fs-extra@11.3.0:
-    dependencies:
-      graceful-fs: 4.2.11
-      jsonfile: 6.1.0
-      universalify: 2.0.1
-
   fs-extra@7.0.1:
     dependencies:
       graceful-fs: 4.2.11
@@ -8255,9 +8250,9 @@ snapshots:
     transitivePeerDependencies:
       - debug
 
-  solhint@5.2.0(typescript@5.9.3):
+  solhint@6.0.1(typescript@5.9.3):
     dependencies:
-      '@solidity-parser/parser': 0.20.1
+      '@solidity-parser/parser': 0.20.2
       ajv: 6.12.6
       ajv-errors: 1.0.1(ajv@6.12.6)
       antlr4: 4.13.2
@@ -8267,7 +8262,6 @@ snapshots:
       commander: 10.0.1
       cosmiconfig: 8.3.6(typescript@5.9.3)
       fast-diff: 1.3.0
-      fs-extra: 11.3.0
       glob: 8.1.0
       ignore: 5.3.2
       js-yaml: 4.1.0
@@ -8275,7 +8269,6 @@ snapshots:
       lodash: 4.17.21
       pluralize: 8.0.0
       semver: 7.7.2
-      strip-ansi: 6.0.1
       table: 6.9.0
       text-table: 0.2.0
     optionalDependencies: