diff --git a/environments/requirements.txt b/environments/requirements.txt
index fdbd9551..0075e14f 100644
--- a/environments/requirements.txt
+++ b/environments/requirements.txt
@@ -9,7 +9,7 @@ docutils==0.16
 gitdb==4.0.5
 GitPython==3.1.2
 gwas-sumstats-tools==1.0.6
-idna==2.9
+idna==3.15
 importlib-metadata==1.6.0
 ipython-genutils==0.2.0
 jsonschema==3.2.0