diff --git a/.github/workflows/ci-backend.yml b/.github/workflows/ci-backend.yml
index 82c7686d..13ccab84 100644
--- a/.github/workflows/ci-backend.yml
+++ b/.github/workflows/ci-backend.yml
@@ -13,7 +13,6 @@ on:
       - "!backend/scripts/**"
       - "!**.md"
   pull_request:
-    types: [opened, reopened]
     paths:
       - ".github/workflows/ci-backend.yml"
       - "backend/**"
diff --git a/.github/workflows/ci-frontend-api.yml b/.github/workflows/ci-frontend-api.yml
index f6ff9d23..700de826 100644
--- a/.github/workflows/ci-frontend-api.yml
+++ b/.github/workflows/ci-frontend-api.yml
@@ -44,7 +44,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Run type check
@@ -80,7 +80,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Run linters
@@ -116,7 +116,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Test & Coverage
diff --git a/.github/workflows/ci-frontend.yml b/.github/workflows/ci-frontend.yml
index 16be6fc4..5162a3d5 100644
--- a/.github/workflows/ci-frontend.yml
+++ b/.github/workflows/ci-frontend.yml
@@ -44,7 +44,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Translations check
@@ -80,7 +80,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Run type check
@@ -116,7 +116,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Run linters
@@ -180,7 +180,7 @@ jobs:
           cache-dependency-path: frontend/pnpm-lock.yaml
 
       - name: Install dependencies
-        run: pnpm i
+        run: pnpm install --frozen-lockfile
         working-directory: ./frontend
 
       - name: Test & Coverage