diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ae32c0e..d37c989 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         os: [ ubuntu-latest ] # , macos-latest, windows-latest ]
         python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10" ]
-        grafana-version: [ "6.7.6", "7.5.11", "8.3.1" ]
+        grafana-version: [ "6.7.6", "7.5.12", "8.3.2" ]
         include:
         - os: ubuntu-latest
           path: ~/.cache/pip
diff --git a/CHANGES.rst b/CHANGES.rst
index e0b8610..fec9c4c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,6 +8,7 @@ in progress
 - Rename subcommand ``datasource-breakdown`` to ``explore datasources``
 - Add subcommand ``explore dashboards``, e.g. for discovering dashboards using
   missing data sources.
+- CI/GHA test matrix: Use Grafana 7.5.12 and 8.3.2
 
 2021-12-10 0.11.1
 =================
diff --git a/tests/.env b/tests/.env
index 8afb3fc..5cf4e19 100644
--- a/tests/.env
+++ b/tests/.env
@@ -1 +1 @@
-GRAFANA_VERSION=8.3.1
+GRAFANA_VERSION=8.3.2