diff --git a/.github/workflows/emu-build-all-linux.yml b/.github/workflows/emu-build-all-linux.yml
index eaf0e35a..8238884e 100644
--- a/.github/workflows/emu-build-all-linux.yml
+++ b/.github/workflows/emu-build-all-linux.yml
@@ -26,7 +26,7 @@ jobs:
   builds-matrix-linux:
     name: "build"
     needs: ["deps"]
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     if: ${{ !cancelled() }}
     continue-on-error: true
 
diff --git a/.github/workflows/emu-deps-linux.yml b/.github/workflows/emu-deps-linux.yml
index 6d7c4e03..4cc98287 100644
--- a/.github/workflows/emu-deps-linux.yml
+++ b/.github/workflows/emu-deps-linux.yml
@@ -19,7 +19,7 @@ env:
 
 jobs:
   deps-build:
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     if: ${{ !cancelled() }}
 
     steps:
diff --git a/.github/workflows/gen_emu_config-build-linux.yml b/.github/workflows/gen_emu_config-build-linux.yml
index 6bde0771..dd056fb7 100644
--- a/.github/workflows/gen_emu_config-build-linux.yml
+++ b/.github/workflows/gen_emu_config-build-linux.yml
@@ -16,7 +16,7 @@ env:
 
 jobs:
   build:
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
 
     steps:
       - name: "Checkout branch"
diff --git a/.github/workflows/migrate_gse-build-linux.yml b/.github/workflows/migrate_gse-build-linux.yml
index 705e5ba0..bff4ee46 100644
--- a/.github/workflows/migrate_gse-build-linux.yml
+++ b/.github/workflows/migrate_gse-build-linux.yml
@@ -16,7 +16,7 @@ env:
 
 jobs:
   build:
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
 
     steps:
       - name: "Checkout branch"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a665914a..82a8ba3f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -104,7 +104,7 @@ jobs:
 
   emu-linux-prep:
     needs: ["emu-linux-all"]
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     steps:
       # we need branch because it has package scripts
       - name: "Checkout branch"
@@ -253,7 +253,7 @@ jobs:
 
   gen_emu_script-linux-prep:
     needs: ["gen_emu_script-linux"]
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     steps:
       # we need branch because it has package scripts
       - name: "Checkout branch"
@@ -365,7 +365,7 @@ jobs:
 
   migrate_gse_script-linux-prep:
     needs: ["migrate_gse_script-linux"]
-    runs-on: "ubuntu-24.04"
+    runs-on: "ubuntu-20.04"
     steps:
       # we need branch because it has package scripts
       - name: "Checkout branch"