diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 18df5bc..f037fe8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
 
     container:
-      image: ghcr.io/elementary/flatpak-platform/runtime:8.2-${{ matrix.arch }}
+      image: ghcr.io/elementary/flatpak-platform/runtime:9-${{ matrix.arch }}
       options: --privileged
 
     steps:
diff --git a/io.github.elework.spreadsheet.yml b/io.github.elework.spreadsheet.yml
index f4bcfa2..1de4bba 100644
--- a/io.github.elework.spreadsheet.yml
+++ b/io.github.elework.spreadsheet.yml
@@ -1,6 +1,6 @@
 id: io.github.elework.spreadsheet
 runtime: io.elementary.Platform
-runtime-version: '8.2'
+runtime-version: '9'
 sdk: io.elementary.Sdk
 command: io.github.elework.spreadsheet
 finish-args: