diff --git a/requirements-dev.txt b/requirements-dev.txt
index cb5927eb..5617581f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -30,9 +30,9 @@ attrs==25.4.0 \
     #   hypothesis
     #   jsonschema
     #   referencing
-authlib==1.6.5 \
-    --hash=sha256:3e0e0507807f842b02175507bdee8957a1d5707fd4afb17c32fb43fee90b6e3a \
-    --hash=sha256:6aaf9c79b7cc96c900f0b284061691c5d4e61221640a948fe690b556a6d6d10b
+authlib==1.6.6 \
+    --hash=sha256:45770e8e056d0f283451d9996fbb59b70d45722b45d854d58f32878d0a40c38e \
+    --hash=sha256:7d9e9bc535c13974313a87f53e8430eb6ea3d1cf6ae4f6efcd793f2e949143fd
     # via
     #   -r requirements.txt
     #   safety
diff --git a/requirements.txt b/requirements.txt
index 06ae2c52..fcbd1287 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,9 +22,9 @@ attrs==25.4.0 \
     # via
     #   jsonschema
     #   referencing
-authlib==1.6.5 \
-    --hash=sha256:3e0e0507807f842b02175507bdee8957a1d5707fd4afb17c32fb43fee90b6e3a \
-    --hash=sha256:6aaf9c79b7cc96c900f0b284061691c5d4e61221640a948fe690b556a6d6d10b
+authlib==1.6.6 \
+    --hash=sha256:45770e8e056d0f283451d9996fbb59b70d45722b45d854d58f32878d0a40c38e \
+    --hash=sha256:7d9e9bc535c13974313a87f53e8430eb6ea3d1cf6ae4f6efcd793f2e949143fd
     # via safety
 autopep8==2.3.2 \
     --hash=sha256:89440a4f969197b69a995e4ce0661b031f455a9f776d2c5ba3dbd83466931758 \