diff --git a/NEWS.md b/NEWS.md
index 9a73524..cfa3265 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,17 @@
 # Libctl Release Notes
 
+## libctl 4.7.0
+
+5/12/2026
+
+* New mesh geometry object (#74).
+
+* Bug fixes for thread safety (#75, #81).
+
+* Support for multithreading via configure flag `--enable-openmp` (#79).
+
+* CI workflow via Github Actions (#85).
+
 ## libctl 4.6.0
 
 4/16/2026
diff --git a/configure.ac b/configure.ac
index 614f0fb..9bbf3ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT([libctl],[4.6.0],[stevenj@alum.mit.edu])
+AC_INIT([libctl],[4.7.0],[stevenj@alum.mit.edu])
 AC_CONFIG_SRCDIR([src/ctl.c])
 AC_CONFIG_HEADERS([config.h src/ctl.h])
 AC_CONFIG_MACRO_DIR([m4])
@@ -8,7 +8,7 @@ AM_MAINTAINER_MODE
 # Shared-library version number; indicates api compatibility, and is
 # not the same as the "public" version number.  (Don't worry about this
 # except for public releases.)
-SHARED_VERSION_INFO="10:2:3" # CURRENT:REVISION:AGE
+SHARED_VERSION_INFO="10:2:4" # CURRENT:REVISION:AGE
 
 AM_INIT_AUTOMAKE([foreign])
 AC_SUBST(SHARED_VERSION_INFO)