diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index 58a736d6..a877d4e2 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -14,10 +14,10 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}
@@ -36,7 +36,7 @@ jobs:
         id: extract_branch
 
       - name: Deploy nyxx dev docs
-        uses: easingthemes/ssh-deploy@v2.1.5
+        uses: easingthemes/ssh-deploy@v5.1.0
         env:
           ARGS: "-rltDzvO"
           SOURCE: "doc/api/"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a6976a8b..b6025c11 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b8beb306..94c06702 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,10 +16,10 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}
@@ -40,10 +40,10 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}
@@ -64,10 +64,10 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}
@@ -93,10 +93,10 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}
@@ -122,10 +122,10 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: Checkout
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.pub-cache
           key: ${{ runner.os }}-pubspec-${{ hashFiles('**/pubspec.lock') }}