diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3cb0d2028..679b1fb63 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -611,9 +611,9 @@ six==1.16.0 \
     # via
     #   asttokens
     #   python-dateutil
-sniffio==1.3.0 \
-    --hash=sha256:e60305c5e5d314f5389259b7f22aaa33d8f7dee49763119234af3755c55b9101 \
-    --hash=sha256:eecefdce1e5bbfb7ad2eeaabf7c1eeb404d7757c379bd1f7e5cce9d8bf425384
+sniffio==1.3.1 \
+    --hash=sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2 \
+    --hash=sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc
     # via
     #   anyio
     #   httpx
diff --git a/requirements.txt b/requirements.txt
index b606c01c3..92cb7ed0c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -606,9 +606,9 @@ six==1.16.0 \
     #   fiona
     #   promise
     #   python-dateutil
-sniffio==1.3.0 \
-    --hash=sha256:e60305c5e5d314f5389259b7f22aaa33d8f7dee49763119234af3755c55b9101 \
-    --hash=sha256:eecefdce1e5bbfb7ad2eeaabf7c1eeb404d7757c379bd1f7e5cce9d8bf425384
+sniffio==1.3.1 \
+    --hash=sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2 \
+    --hash=sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc
     # via
     #   anyio
     #   httpx