diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index bef7085..0025d54 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -13,7 +13,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
diff --git a/README.md b/README.md
index 39f23fc..62570cc 100644
--- a/README.md
+++ b/README.md
@@ -166,20 +166,7 @@ Journal of Proteome Research 2023 22 (9), 3009-3021
 DOI: 10.1021/acs.jproteome.3c00325
 ```
 
-If you are using MS Annika please cite:
-```
-MS Annika 2.0 Identifies Cross-Linked Peptides in MS2–MS3-Based Workflows at High Sensitivity and Specificity
-Micha J. Birklbauer, Manuel Matzinger, Fränze Müller, Karl Mechtler, and Viktoria Dorfer
-Journal of Proteome Research 2023 22 (9), 3009-3021
-DOI: 10.1021/acs.jproteome.3c00325
-```
-or
-```
-MS Annika: A New Cross-Linking Search Engine
-Georg J. Pirklbauer, Christian E. Stieger, Manuel Matzinger, Stephan Winkler, Karl Mechtler, and Viktoria Dorfer
-Journal of Proteome Research 2021 20 (5), 2560-2569
-DOI: 10.1021/acs.jproteome.0c01000
-```
+If you are using MS Annika please cite as described [here](https://github.com/hgb-bin-proteomics/MSAnnika?tab=readme-ov-file#citing).
 
 ## License