diff --git a/workflow/envs/transindel.yml b/workflow/envs/transindel.yml
index e7b22ac..78bea77 100644
--- a/workflow/envs/transindel.yml
+++ b/workflow/envs/transindel.yml
@@ -1,13 +1,9 @@
 channels:
-  - bioconda
   - conda-forge
+  - bioconda
   - defaults
-  - r
 dependencies:
-  - samtools=1.9
+  - samtools=1.20
   - pysam=0.15.3
   - htseq=2.0.3
   - pyfaidx=0.7.0
-  - pip=24.0
-  - pip:
-    - vcfpy==0.13.6