diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 02c0f67d1..9b934d50f 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -1,13 +1,10 @@
 name: ubuntu
 
-on:
-  push:
-    tags:
-    - '*'
+on: [push]
 
 jobs:
   ubuntu-snap-build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v1
     - name: Generate snap package
@@ -24,7 +21,7 @@ jobs:
 
   ubuntu-snap-upload:
     needs: ubuntu-snap-build
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v1
     - name: Download artifact from previous job
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 386725aae..db9fb94c2 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: gwallet
-base: core18 # the base snap is the execution environment for this snap
+base: core20 # the base snap is the execution environment for this snap
 version: '0.3.209.0' # just for humans, typically '1.2+git' or '1.3.2'
 summary: minimalistic cryptocurrency brainwallet # 79 char long summary
 description: |