diff --git a/contrib/osx/requirements-osx-build.txt b/contrib/osx/requirements-osx-build.txt
index 0f3fd5d49..f0b800b84 100644
--- a/contrib/osx/requirements-osx-build.txt
+++ b/contrib/osx/requirements-osx-build.txt
@@ -15,9 +15,9 @@ ds_store==1.1.2 \
     --hash=sha256:f569659cfd66b21273c5a2405d5e1e0f54fddebf627130329f01404f271a074c
 future==0.17.1 \
     --hash=sha256:67045236dcfd6816dc439556d009594abf643e5eb48992e36beac09c2ca659b8
-idna==2.8 \
-    --hash=sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407 \
-    --hash=sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c
+idna==3.7 \
+    --hash=sha256:028ff3aadf0609c1fd278d8ea3089299412a7a8b9bd005dd08b9f8285bcb5cfc \
+    --hash=sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0
 mac_alias==2.0.7 \
     --hash=sha256:c485e3eb9d600208cc0aa906282f0d575a535395306289bcdb4096599189e223
 macholib==1.11 \