diff --git a/environment.yml b/environment.yml
index 9cf0a17..c54928d 100644
--- a/environment.yml
+++ b/environment.yml
@@ -37,7 +37,7 @@ dependencies:
 - sympy=1.12
 
 # Packages from bioconda for BioE-131, Fall 2020, Issue #1885
-# - bowtie2=2.5.3  # commented out by sknapp 2024.05.07 doesn't support py3.11
+- bowtie2==2.5.4
 - spades=3.14.1
 
 # Packages for MCB280A, Spring 2022