diff --git a/configure b/configure
index bc0fc718e..dc5980093 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Library versions
-LIB_VER="190"
+LIB_VER="110"
 TLS_VER="362"
 
 # Initialise
diff --git a/configure.ucrt b/configure.ucrt
index 8d08d5deb..7a37bf538 100755
--- a/configure.ucrt
+++ b/configure.ucrt
@@ -1,5 +1,5 @@
 # Library versions
-LIB_VER="190"
+LIB_VER="110"
 TLS_VER="362"
 
 tar -xf src/mbedtls-$TLS_VER.tar.xz
diff --git a/src/nng-110.tar.xz b/src/nng-110.tar.xz
new file mode 100644
index 000000000..32eaf93a8
Binary files /dev/null and b/src/nng-110.tar.xz differ
diff --git a/src/nng-190.tar.xz b/src/nng-190.tar.xz
deleted file mode 100644
index ee8863fc1..000000000
Binary files a/src/nng-190.tar.xz and /dev/null differ