diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4483fbcb..cd88431d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## Unreleased
+## 1.4.0 - 2019-10-14
 - Add `quit` function to exit from a repl, but not always exit the entire
   application.
+- Add `update-pkgs` to jpm.
 - Integrate jpm with https://github.com/janet-lang/pkgs.git. jpm can now
   install packages based on their short names in the package listing, which
   can be customized via an env variable.
diff --git a/appveyor.yml b/appveyor.yml
index d582a68a..38e5a2c8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -29,7 +29,7 @@ install:
     - call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars32.bat"
     - build_win test-install
     - set janet_outname=%appveyor_repo_tag_name%
-    - if "%janet_outname%"=="" set janet_outname=v1.3.1
+    - if "%janet_outname%"=="" set janet_outname=v1.4.0
 build: off
 
 artifacts:
diff --git a/janet-installer.nsi b/janet-installer.nsi
index 0572d257..58927326 100644
--- a/janet-installer.nsi
+++ b/janet-installer.nsi
@@ -1,6 +1,6 @@
 # Version
-!define VERSION "1.3.1"
-!define PRODUCT_VERSION "${VERSION}.1"
+!define VERSION "1.4.0"
+!define PRODUCT_VERSION "${VERSION}.0"
 VIProductVersion "${PRODUCT_VERSION}"
 VIFileVersion "${PRODUCT_VERSION}"
 
diff --git a/meson.build b/meson.build
index 3752417a..31bcea8d 100644
--- a/meson.build
+++ b/meson.build
@@ -20,7 +20,7 @@
 
 project('janet', 'c',
   default_options : ['c_std=c99', 'b_lundef=false', 'default_library=both'],
-  version : '1.3.1')
+  version : '1.4.0')
 
 # Global settings
 janet_path = join_paths(get_option('prefix'), get_option('libdir'), 'janet')
diff --git a/src/conf/janetconf.h b/src/conf/janetconf.h
index 77f7758c..a77f4c3e 100644
--- a/src/conf/janetconf.h
+++ b/src/conf/janetconf.h
@@ -27,10 +27,10 @@
 #define JANETCONF_H
 
 #define JANET_VERSION_MAJOR 1
-#define JANET_VERSION_MINOR 3
-#define JANET_VERSION_PATCH 1
+#define JANET_VERSION_MINOR 4
+#define JANET_VERSION_PATCH 0
 #define JANET_VERSION_EXTRA ""
-#define JANET_VERSION "1.3.1"
+#define JANET_VERSION "1.4.0"
 
 /* #define JANET_BUILD "local" */