diff --git a/demos/blog/requirements.txt b/demos/blog/requirements.txt
index 129aa18f9..8291928ba 100644
--- a/demos/blog/requirements.txt
+++ b/demos/blog/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiohttp-jinja2==1.5.1
 aiohttp_security[session]==0.4.0
 asyncpg==0.29.0
diff --git a/demos/chat/requirements.txt b/demos/chat/requirements.txt
index 95bed0140..c304040f1 100644
--- a/demos/chat/requirements.txt
+++ b/demos/chat/requirements.txt
@@ -1,3 +1,3 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiohttp-jinja2==1.5.1
 faker==20.1.0
diff --git a/demos/graphql-demo/requirements-dev.txt b/demos/graphql-demo/requirements-dev.txt
index 74fa4d082..02b6a14d0 100644
--- a/demos/graphql-demo/requirements-dev.txt
+++ b/demos/graphql-demo/requirements-dev.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiopg[sa]==1.4.0
 aiohttp_jinja2==1.5.1
 aiohttp_graphql==1.1.0
diff --git a/demos/imagetagger/requirements.txt b/demos/imagetagger/requirements.txt
index b8fce2b5a..95caf7cc4 100644
--- a/demos/imagetagger/requirements.txt
+++ b/demos/imagetagger/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiohttp-jinja2==1.5.1
 keras==2.11.0
 Pillow==10.1.0
diff --git a/demos/moderator/requirements-dev.txt b/demos/moderator/requirements-dev.txt
index 5db48582b..d8263576e 100644
--- a/demos/moderator/requirements-dev.txt
+++ b/demos/moderator/requirements-dev.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 trafaret==2.1.1
 pyyaml==6.0.1
 numpy==1.23.4
diff --git a/demos/moderator_bot/requirements-dev.txt b/demos/moderator_bot/requirements-dev.txt
index 156d703dc..aab386926 100644
--- a/demos/moderator_bot/requirements-dev.txt
+++ b/demos/moderator_bot/requirements-dev.txt
@@ -1,5 +1,5 @@
 -i https://pypi.org/simple/
-aiohttp==3.8.6
+aiohttp==3.9.0
 aioslacker==0.0.11
 async-timeout==4.0.3
 atomicwrites==1.4.1
diff --git a/demos/motortwit/requirements.txt b/demos/motortwit/requirements.txt
index 03761e981..d070dd941 100644
--- a/demos/motortwit/requirements.txt
+++ b/demos/motortwit/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiohttp_jinja2==1.5.1
 aiohttp_security==0.4.0
 bcrypt==4.0.1
diff --git a/demos/polls/requirements-dev.txt b/demos/polls/requirements-dev.txt
index 50c46088b..e0aa1ac21 100644
--- a/demos/polls/requirements-dev.txt
+++ b/demos/polls/requirements-dev.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiopg[sa]==1.4.0
 aiohttp-jinja2==1.5.1
 trafaret_config==2.0.2
diff --git a/demos/shortify/requirements.txt b/demos/shortify/requirements.txt
index d8744be78..4b0a1ea0d 100644
--- a/demos/shortify/requirements.txt
+++ b/demos/shortify/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.6
+aiohttp==3.9.0
 aiohttp_jinja2==1.5.1
 pyyaml==6.0.1
 redis==5.0.1