diff --git a/environment_files/requirements_linux.txt b/environment_files/requirements_linux.txt
index fef76f7..9f9ed45 100644
--- a/environment_files/requirements_linux.txt
+++ b/environment_files/requirements_linux.txt
@@ -37,4 +37,4 @@ SQLAlchemy==1.3.7
 toeplitz==0.3.0
 tornado==6.0.3
 tqdm==4.35.0
-urllib3==1.25.3
+urllib3==1.26.5
diff --git a/environment_files/requirements_osx.txt b/environment_files/requirements_osx.txt
index 95f800e..23bae52 100644
--- a/environment_files/requirements_osx.txt
+++ b/environment_files/requirements_osx.txt
@@ -40,4 +40,4 @@ SQLAlchemy==1.3.8
 toeplitz==0.3.0
 tornado==6.0.3
 tqdm==4.35.0
-urllib3==1.25.3
+urllib3==1.26.5