diff --git a/chipseq.yml b/chipseq.yml
index ba9b6d4..068d14c 100644
--- a/chipseq.yml
+++ b/chipseq.yml
@@ -9,6 +9,6 @@ dependencies:
   - bioconda::samtools==1.11
   - conda-forge::python=3.8
   - conda-forge::ipykernel==5.5.0
-  - conda-forge::matplotlib-base==3.62
+  - conda-forge::matplotlib-base==3.6.2
   - conda-forge::pandas==1.5.2
   - conda-forge::ipyigv==0.1.9