diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 1a14d975..6b0de851 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   main_job:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       NIGHTLY_BUILD_FLAGS: "valgrind --leak-check=yes"
 
@@ -92,7 +92,7 @@ jobs:
         ./scripts/run_tools_test.sh
   
   linux_build_with_emscripten:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     strategy:
       matrix:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3489fb38..6df9f53c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ defaults:
     shell: bash
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - name: Extract repo name
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3dd2b9cd..87941851 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ defaults:
     shell: bash
 jobs:
   linux_build_and_test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Extract repo name
         run: echo ::set-env name=REPOSITORY_NAME::$(echo "$GITHUB_REPOSITORY" | awk -F /
@@ -213,7 +213,7 @@ jobs:
           ./threshold_encryption/te_test
           ./dkg_attack
   linux_build_with_emscripten:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         node-version: