diff --git a/requirements/build.txt b/requirements/build.txt
index b25ed323..73df65dd 100644
--- a/requirements/build.txt
+++ b/requirements/build.txt
@@ -193,7 +193,7 @@ ua-parser==0.18.0
     # via
     #   -r requirements/requirements.txt
     #   pywb
-urllib3==1.26.15
+urllib3==2.2.3
     # via
     #   -r requirements/requirements.txt
     #   requests
diff --git a/requirements/dev.txt b/requirements/dev.txt
index a3d6955a..6bf019e0 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -234,7 +234,7 @@ ua-parser==0.18.0
     # via
     #   -r requirements/requirements.txt
     #   pywb
-urllib3==1.26.15
+urllib3==2.2.3
     # via
     #   -r requirements/requirements.txt
     #   requests
diff --git a/requirements/functests.txt b/requirements/functests.txt
index 6c33014a..b34b1931 100644
--- a/requirements/functests.txt
+++ b/requirements/functests.txt
@@ -207,7 +207,7 @@ ua-parser==0.18.0
     # via
     #   -r requirements/requirements.txt
     #   pywb
-urllib3==1.26.15
+urllib3==2.2.3
     # via
     #   -r requirements/requirements.txt
     #   requests
diff --git a/requirements/lint.txt b/requirements/lint.txt
index 0e3568b1..74961efb 100644
--- a/requirements/lint.txt
+++ b/requirements/lint.txt
@@ -293,7 +293,7 @@ ua-parser==0.18.0
     #   -r requirements/requirements.txt
     #   -r requirements/tests.txt
     #   pywb
-urllib3==1.26.15
+urllib3==2.2.3
     # via
     #   -r requirements/requirements.txt
     #   -r requirements/tests.txt
diff --git a/requirements/requirements.in b/requirements/requirements.in
index 89d1e1e5..af82a468 100644
--- a/requirements/requirements.in
+++ b/requirements/requirements.in
@@ -12,4 +12,4 @@ whitenoise
 #
 # See https://github.com/gevent/gevent/issues/1957 and
 # https://github.com/urllib3/urllib3/issues/3289.
-urllib3==1.26.15
+urllib3==2.2.3
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 0e097ade..f2c5ae68 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -120,7 +120,7 @@ tldextract==5.1.1
     #   surt
 ua-parser==0.18.0
     # via pywb
-urllib3==1.26.15
+urllib3==2.2.3
     # via
     #   -r requirements/requirements.in
     #   requests
diff --git a/requirements/tests.txt b/requirements/tests.txt
index a5e97a04..3a0dacaa 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -211,7 +211,7 @@ ua-parser==0.18.0
     # via
     #   -r requirements/requirements.txt
     #   pywb
-urllib3==1.26.15
+urllib3==2.2.3
     # via
     #   -r requirements/requirements.txt
     #   requests