diff --git a/NEWS.md b/NEWS.md
index eb81296aa..1bf9404f5 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,11 @@
 # Meep Release Notes
 
+## Meep 1.13.1
+
+2/25/2020
+
+* Avoid writing to source directory in remaining tests (#1132).
+
 ## Meep 1.13.0
 
 2/19/2020
diff --git a/configure.ac b/configure.ac
index cededfee8..5d2fbaabf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,12 +1,12 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT(meep, 1.13.0)
+AC_INIT(meep, 1.13.1)
 AC_CONFIG_SRCDIR(src/step.cpp)
 
 # 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.) Note that any change to a C++ class
 # definition (in the .hpp file) generally breaks binary compatibility.
-SHARED_VERSION_INFO="18:0:0" # CURRENT:REVISION:AGE
+SHARED_VERSION_INFO="18:1:0" # CURRENT:REVISION:AGE
 
 AM_INIT_AUTOMAKE([foreign color-tests parallel-tests silent-rules 1.11])
 AM_SILENT_RULES(yes)