diff --git a/snappy_wrappers/wrappers/mehari/environment.yaml b/snappy_wrappers/wrappers/mehari/environment.yaml
index ee851388..af33051c 100644
--- a/snappy_wrappers/wrappers/mehari/environment.yaml
+++ b/snappy_wrappers/wrappers/mehari/environment.yaml
@@ -3,10 +3,11 @@ channels:
   - bioconda
   - nodefaults
 dependencies:
-  - bcftools==1.19
-  - htslib==1.19.1
-  - samtools==1.19.2
+  - bcftools ==1.20
+  - htslib ==1.20
+  - samtools ==1.20
   - mehari==0.25.5
-  - jq==1.7.1
-  - vcfpy==0.13.8
-  - pysam==0.22.0
+  - jq ==1.7.1
+  - vcfpy ==0.13.8
+  - pysam ==0.22.1
+  - python ==3.11.9