diff --git a/.mkosi/mkosi.arch b/.mkosi/mkosi.arch
index b2e5e14a92..b4a50f4bc8 100644
--- a/.mkosi/mkosi.arch
+++ b/.mkosi/mkosi.arch
@@ -48,7 +48,7 @@ BuildPackages=
         kmod
         libcap
         libgcrypt
-        libidn
+        libidn2
         libmicrohttpd
         libseccomp
         libtool
diff --git a/.mkosi/mkosi.debian b/.mkosi/mkosi.debian
index 468a6d8654..fa2aa1182d 100644
--- a/.mkosi/mkosi.debian
+++ b/.mkosi/mkosi.debian
@@ -53,7 +53,7 @@ BuildPackages=
         libfdisk-dev
         libgcrypt20-dev
         libgnutls28-dev
-        libidn11-dev
+        libidn2-dev
         libkmod-dev
         liblzma-dev
         liblz4-dev
diff --git a/.mkosi/mkosi.fedora b/.mkosi/mkosi.fedora
index 00129a5af3..d36d167d94 100644
--- a/.mkosi/mkosi.fedora
+++ b/.mkosi/mkosi.fedora
@@ -53,7 +53,7 @@ BuildPackages=
         libcap-devel
         libcurl-devel
         libgcrypt-devel
-        libidn-devel
+        libidn2-devel
         libmicrohttpd-devel
         libmount-devel
         libseccomp-devel