diff --git a/environment.yml b/environment.yml
index 810f4af056251c9616a4619cfc596d3df6e94e8b..afddba2ef81dd47d399b156c582c4641a6e28dc3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -16,4 +16,4 @@ dependencies:
   - samtools=1.9
   - multiqc=1.6
   - pip:
-    - iced=0.4.2
\ No newline at end of file
+    - iced==0.4.2
\ No newline at end of file