diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index e4240ad..06c32fc 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -60,6 +60,16 @@ jobs:
         with:
           python-version: '3.11'
 
+      - name: Install native deps for dbus-python + PyGObject
+        run: |
+          # PyGObject >= 3.52 builds against girepository-2.0 (merged into
+          # GLib 2.80), not the old standalone girepository-1.0. ubuntu-latest
+          # (24.04) ships it as libgirepository-2.0-dev.
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
+            libdbus-1-dev libglib2.0-dev pkg-config \
+            libcairo2-dev libgirepository-2.0-dev
+
       - name: Build Linux distribution
         run: |
           chmod +x build-dist-linux.sh
diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index f582334..5d26b06 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -193,10 +193,13 @@ jobs:
 
       - name: Install native deps for dbus-python + PyGObject
         run: |
+          # PyGObject >= 3.52 builds against girepository-2.0 (merged into
+          # GLib 2.80), not the old standalone girepository-1.0. ubuntu-latest
+          # (24.04) ships it as libgirepository-2.0-dev.
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends \
             libdbus-1-dev libglib2.0-dev pkg-config \
-            libcairo2-dev libgirepository1.0-dev
+            libcairo2-dev libgirepository-2.0-dev
 
       - name: Build Linux distribution
         run: |
diff --git a/.gitea/workflows/test.yml b/.gitea/workflows/test.yml
index ab008ed..cddd5e9 100644
--- a/.gitea/workflows/test.yml
+++ b/.gitea/workflows/test.yml
@@ -57,10 +57,13 @@ jobs:
 
       - name: Install Linux system deps for dbus-python + PyGObject
         run: |
+          # PyGObject >= 3.52 builds against girepository-2.0 (merged into
+          # GLib 2.80), not the old standalone girepository-1.0. ubuntu-latest
+          # (24.04) ships it as libgirepository-2.0-dev.
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends \
             libdbus-1-dev libglib2.0-dev pkg-config \
-            libcairo2-dev libgirepository1.0-dev
+            libcairo2-dev libgirepository-2.0-dev
 
       - name: Install with linux extra
         run: |