diff --git a/requirements/common.in b/requirements/common.in
index 4aed8d3c69f..620c3d1d02f 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -24,7 +24,7 @@ python-dateutil==2.9.0.post0
 django-filter==25.1  # Listed in DEFAULT_FILTER_BACKENDS on settings.py
 django-redis==6.0.0  # Listed in CACHES on settings.py
 
-taskcluster==85.0.1  # import taskcluster
+taskcluster==86.0.1  # import taskcluster
 python-jose[pycryptodome]==3.5.0  # from jose import jwt
 
 furl==2.1.4  # Imported as furl
diff --git a/requirements/common.txt b/requirements/common.txt
index ecd06cf3f35..86c15f54e2c 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -1799,9 +1799,9 @@ tabulate==0.9.0 \
     --hash=sha256:0095b12bf5966de529c0feb1fa08671671b3368eec77d7ef7ab114be2c068b3c \
     --hash=sha256:024ca478df22e9340661486f85298cff5f6dcdba14f3813e8830015b9ed1948f
     # via mozci
-taskcluster==85.0.1 \
-    --hash=sha256:1f855f973bf1ad8014213e204cf5cc10bf0c1eace18ddff9c09f422afddac231 \
-    --hash=sha256:9145e4df4f25f0b1e1370cb8265838b06c3451e975cd20980edfec47c10a52bc
+taskcluster==86.0.1 \
+    --hash=sha256:7158be2229df9928fe5bddbfabaf093996607dc7cd94045b17de75a54da16acf \
+    --hash=sha256:74b8090c051078ffbebfcddd717ca6716df4f74ecc74c9f87e7fac26a219b723
     # via
     #   -r requirements/common.in
     #   mozci