diff --git a/_service b/_service
index 1aa4851..c181f42 100644
--- a/_service
+++ b/_service
@@ -2,7 +2,7 @@
   <service name="tar_scm" mode="disabled">
     <param name="url">https://github.com/python-jsonschema/referencing</param>
     <param name="scm">git</param>
-    <param name="revision">v0.27.2</param>
+    <param name="revision">v0.27.4</param>
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="changesgenerate">enable</param>
     <param name="versionrewrite-pattern">v(.*)</param>
diff --git a/_servicedata b/_servicedata
index d88534d..ec572fb 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">https://github.com/python-jsonschema/referencing</param>
-              <param name="changesrevision">b39ebf9dcfae8301811b05f26ea6d6ab905e6cd4</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">77dded143659302987c621b8c60ccd50b4679a79</param></service></servicedata>
\ No newline at end of file
diff --git a/python-referencing.changes b/python-referencing.changes
index 112440d..e61d72e 100644
--- a/python-referencing.changes
+++ b/python-referencing.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Wed Apr 26 08:43:41 UTC 2023 - kastl@b1-systems.de
+
+- Update to version 0.27.4:
+  * Minor simplification to the docs structure.
+  * Bump suite from `e744bfc` to `89016c7`
+  * Bump the referencing suite.
+  * [pre-commit.ci] pre-commit autoupdate
+
+-------------------------------------------------------------------
+Tue Apr 25 04:54:24 UTC 2023 - kastl@b1-systems.de
+
+- Update to version 0.27.3:
+  * Fix whatever typing change causes pyright to think frozen
+    classes aren't frozen.
+  * Also strip empty fragments when using __getiem__ on Registries.
+  * Bump wntrblm/nox from 2022.11.21 to 2023.04.22
+
 -------------------------------------------------------------------
 Fri Apr 14 06:58:44 UTC 2023 - kastl@b1-systems.de
 
diff --git a/python-referencing.spec b/python-referencing.spec
index 98b622b..4f51578 100644
--- a/python-referencing.spec
+++ b/python-referencing.spec
@@ -25,7 +25,7 @@
 %bcond_with test
 %endif
 Name:           python-referencing%{psuffix}
-Version:        0.27.2
+Version:        0.27.4
 Release:        0
 Summary:        JSON Referencing + Python
 License:        MIT
diff --git a/referencing-0.27.2.tar.gz b/referencing-0.27.2.tar.gz
deleted file mode 100644
index 68e49a0..0000000
--- a/referencing-0.27.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e6a2b835f8aebb556c1b17e6894cf762239d26470a70b6b104fb2ad3b86b519f
-size 395083
diff --git a/referencing-0.27.4.tar.gz b/referencing-0.27.4.tar.gz
new file mode 100644
index 0000000..6cb7d55
--- /dev/null
+++ b/referencing-0.27.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4dac8a6ce1939dd43c6acb2a19f4f44720d7e84fdfc229345f0ec76991e8a53f
+size 437394