diff --git a/requirements-conda.txt b/requirements-conda.txt
index dfc5cf36..29152ecb 100644
--- a/requirements-conda.txt
+++ b/requirements-conda.txt
@@ -8,5 +8,6 @@ mashtree>=1.4.6
 sourmash-minimal>=4.8.6 ## see below
 sourmash_plugin_branchwater>=0.9.1  ## running into resolver problems at least with our current version of python
 skani>=0.2.1
-#kwip>=0.2.0 ## relies on khmer, which as of 2024-03-12 does not support python 3.10
+khmer>=2.1,<3.0a0
+kwip>=0.2.0 ## relies on khmer, which as of 2024-03-12 does not support python 3.10
 # Python packages below