diff --git a/workflow/envs/env.yaml b/workflow/envs/env.yaml
index 6ed40e0..1d2cbde 100644
--- a/workflow/envs/env.yaml
+++ b/workflow/envs/env.yaml
@@ -4,14 +4,14 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - numpy<1.20
-  - numba
-  - cooler<=0.8.11
-  - pandas<=1.5
+  - numpy==1.23.5
+  - numba==0.59.1
+  - cooler==0.8.11
+  - pandas==1.5.0
   - minimap2==2.18
   - bioconda::bedtools
   - bioconda::samtools>=1.14
   - bioconda::htslib>=1.14
   - bioconda::pysam>=0.15.0
   - bioconda::bwa
-  - pigz 
+  - pigz