diff --git a/Tests/iaas/requirements.txt b/Tests/iaas/requirements.txt
index 923c326f7..92783905f 100644
--- a/Tests/iaas/requirements.txt
+++ b/Tests/iaas/requirements.txt
@@ -32,7 +32,7 @@ decorator==5.2.1
     #   openstacksdk
 dogpile-cache==1.5.0
     # via openstacksdk
-idna==3.11
+idna==3.15
     # via
     #   -c iaas/../requirements.txt
     #   requests
diff --git a/Tests/kaas/requirements.txt b/Tests/kaas/requirements.txt
index bd74bbbad..aa243cd67 100644
--- a/Tests/kaas/requirements.txt
+++ b/Tests/kaas/requirements.txt
@@ -37,7 +37,7 @@ frozenlist==1.8.0
     #   -c kaas/../requirements.txt
     #   aiohttp
     #   aiosignal
-idna==3.11
+idna==3.15
     # via
     #   -c kaas/../requirements.txt
     #   requests
diff --git a/Tests/requirements.txt b/Tests/requirements.txt
index e64ed7d3f..56067c51a 100644
--- a/Tests/requirements.txt
+++ b/Tests/requirements.txt
@@ -28,7 +28,7 @@ frozenlist==1.8.0
     # via
     #   aiohttp
     #   aiosignal
-idna==3.11
+idna==3.15
     # via
     #   requests
     #   yarl
diff --git a/compliance-monitor/requirements.txt b/compliance-monitor/requirements.txt
index 743f0bed5..b6af7627f 100644
--- a/compliance-monitor/requirements.txt
+++ b/compliance-monitor/requirements.txt
@@ -26,7 +26,7 @@ h11==0.16.0
     # via uvicorn
 httptools==0.6.4
     # via uvicorn
-idna==3.10
+idna==3.15
     # via anyio
 jinja2==3.1.6
     # via -r requirements.in