diff --git a/.github/workflows/fmu-tools.yml b/.github/workflows/fmu-tools.yml
index 90472ed6..2287fa25 100644
--- a/.github/workflows/fmu-tools.yml
+++ b/.github/workflows/fmu-tools.yml
@@ -19,17 +19,19 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
-        pandas-version: ["0.21.0", "1.*"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        # 1.1.3 for Python 3.8 in RMS up to 14.2
+        # 1.5.3 for Komodo
+        pandas-version: ["1.1.3", "1.5.3", "2.*"]
         exclude:
+          - python-version: "3.12"
+            pandas-version: ["1.1.3", "1.5.3"]
           - python-version: "3.11"
-            pandas-version: "0.21.0"
+            pandas-version: ["1.1.3", "1.5.3"]
           - python-version: "3.10"
-            pandas-version: "0.21.0"
+            pandas-version: ["1.1.3", "1.5.3"]
           - python-version: "3.9"
-            pandas-version: "0.21.0"
-          - python-version: "3.8"
-            pandas-version: "0.21.0"
+            pandas-version: ["1.1.3", "1.5.3"]
 
     steps:
       - name: Checkout
diff --git a/pyproject.toml b/pyproject.toml
index 63dc974d..e157270d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,6 +30,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Natural Language :: English",
     "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
 ]