diff --git a/backend/requirements/requirements-bionic.txt b/backend/requirements/requirements-bionic.txt
index 45d4f7d207..524b0bed6a 100644
--- a/backend/requirements/requirements-bionic.txt
+++ b/backend/requirements/requirements-bionic.txt
@@ -1,7 +1,7 @@
 acme==0.25.1
 cryptography==2.6.1
 h2==3.0.1
-idna==2.6
+idna==3.10
 priority==1.3.0
 pyopenSSL==17.5.0
 pynacl==1.2
diff --git a/backend/requirements/requirements-bookworm.txt b/backend/requirements/requirements-bookworm.txt
index 77057c722b..bc94225e33 100644
--- a/backend/requirements/requirements-bookworm.txt
+++ b/backend/requirements/requirements-bookworm.txt
@@ -1,7 +1,7 @@
 acme==2.1.0
 cryptography==38.0.4
 h2==4.1.0
-idna==3.3
+idna==3.10
 priority==2.0.0
 pyopenSSL==23.0.0
 pynacl==1.5.0
diff --git a/backend/requirements/requirements-bullseye.txt b/backend/requirements/requirements-bullseye.txt
index 06c4916b73..2d4bdfefa4 100644
--- a/backend/requirements/requirements-bullseye.txt
+++ b/backend/requirements/requirements-bullseye.txt
@@ -1,7 +1,7 @@
 acme==1.12.0
 cryptography==3.3.2
 h2==4.0.0
-idna==2.10
+idna==3.10
 priority==1.3.0
 pyopenSSL==20.0.1
 pynacl==1.4.0
diff --git a/backend/requirements/requirements-buster.txt b/backend/requirements/requirements-buster.txt
index 12831e0b0f..278d80aa43 100644
--- a/backend/requirements/requirements-buster.txt
+++ b/backend/requirements/requirements-buster.txt
@@ -1,7 +1,7 @@
 acme==0.31.0
 cryptography==2.6.1
 h2==3.0.1
-idna==2.6
+idna==3.10
 priority==1.3.0
 pyopenSSL==19.0.0
 pynacl==1.3.0
diff --git a/backend/requirements/requirements-focal.txt b/backend/requirements/requirements-focal.txt
index 2523ba4422..13411d2873 100644
--- a/backend/requirements/requirements-focal.txt
+++ b/backend/requirements/requirements-focal.txt
@@ -1,7 +1,7 @@
 acme==1.1.0
 cryptography==2.8
 h2==3.1.1
-idna==2.8
+idna==3.10
 priority==1.3.0
 pyopenSSL==19.0.0
 pynacl==1.3.0
diff --git a/backend/requirements/requirements-jammy.txt b/backend/requirements/requirements-jammy.txt
index 4b6bc66e99..8d4cbe356b 100644
--- a/backend/requirements/requirements-jammy.txt
+++ b/backend/requirements/requirements-jammy.txt
@@ -1,7 +1,7 @@
 acme==1.21.0
 cryptography==3.4.8
 h2==4.1.0
-idna==2.10
+idna==3.10
 priority==1.3.0
 pyopenSSL==21.0.0
 pynacl==1.5.0
diff --git a/backend/requirements/requirements-noble.txt b/backend/requirements/requirements-noble.txt
index a6a78f9605..8c07b5259a 100644
--- a/backend/requirements/requirements-noble.txt
+++ b/backend/requirements/requirements-noble.txt
@@ -2,7 +2,7 @@ acme==2.9.0
 cryptography==41.0.7
 fpdf2==2.7.8
 h2==4.1.0
-idna==3.6
+idna==3.10
 priority==2.0.0
 pyopenSSL==23.2.0
 pynacl==1.5.0