diff --git a/NEWS.md b/NEWS.md
index 16a4300a61ab0..4fcdc0e18f01c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -17,6 +17,8 @@ New language features
   * `nextfloat(::BigFloat, n::Integer)` and `prevfloat(::BigFloat, n::Integer)` methods
     have been added ([#31310]).
 
+  * Support for Unicode 12.0.0 ([#31561]).
+
 Multi-threading changes
 -----------------------
 
diff --git a/deps/checksums/utf8proc-454f60150c7f023526d353e1e6b386f93ee0b116.tar.gz/md5 b/deps/checksums/utf8proc-454f60150c7f023526d353e1e6b386f93ee0b116.tar.gz/md5
new file mode 100644
index 0000000000000..47782a4dac220
--- /dev/null
+++ b/deps/checksums/utf8proc-454f60150c7f023526d353e1e6b386f93ee0b116.tar.gz/md5
@@ -0,0 +1 @@
+11c96db8208ee58ecf815d8333d273cc
diff --git a/deps/checksums/utf8proc-454f60150c7f023526d353e1e6b386f93ee0b116.tar.gz/sha512 b/deps/checksums/utf8proc-454f60150c7f023526d353e1e6b386f93ee0b116.tar.gz/sha512
new file mode 100644
index 0000000000000..5bf2dae2490ec
--- /dev/null
+++ b/deps/checksums/utf8proc-454f60150c7f023526d353e1e6b386f93ee0b116.tar.gz/sha512
@@ -0,0 +1 @@
+50a19aa56edc5c023611c40e75862f4c9c08e1bfad0bac9ec64413406cff8f409ff106a37f8c66202e563cbe3ae1d5a40036b14fd309651b50c30d3f205f08f5
diff --git a/deps/checksums/utf8proc-97ef668b312b96382714dbb8eaac4affce0816e6.tar.gz/md5 b/deps/checksums/utf8proc-97ef668b312b96382714dbb8eaac4affce0816e6.tar.gz/md5
deleted file mode 100644
index d2e1f0af0f538..0000000000000
--- a/deps/checksums/utf8proc-97ef668b312b96382714dbb8eaac4affce0816e6.tar.gz/md5
+++ /dev/null
@@ -1 +0,0 @@
-fe784fa202f25742fa06ad86d3a63c21
diff --git a/deps/checksums/utf8proc-97ef668b312b96382714dbb8eaac4affce0816e6.tar.gz/sha512 b/deps/checksums/utf8proc-97ef668b312b96382714dbb8eaac4affce0816e6.tar.gz/sha512
deleted file mode 100644
index fc7815ef6d8c0..0000000000000
--- a/deps/checksums/utf8proc-97ef668b312b96382714dbb8eaac4affce0816e6.tar.gz/sha512
+++ /dev/null
@@ -1 +0,0 @@
-1c80dc6e71fdad187b142d02e561dfe1880857baaec08d36240ecb2f275d1bc5467aace84eebe5a10fd3f4c40b0035e65a5db3ec2a9ee6940920b0aad6221c55
diff --git a/deps/utf8proc.version b/deps/utf8proc.version
index ed8e8e5eff831..2d90f1627136e 100644
--- a/deps/utf8proc.version
+++ b/deps/utf8proc.version
@@ -1,2 +1,2 @@
-UTF8PROC_BRANCH=v2.2.0
-UTF8PROC_SHA1=97ef668b312b96382714dbb8eaac4affce0816e6
+UTF8PROC_BRANCH=v2.3.0
+UTF8PROC_SHA1=454f60150c7f023526d353e1e6b386f93ee0b116