diff --git a/appveyor.yml b/appveyor.yml
index 1fab060a..60b7f5ce 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -30,7 +30,7 @@ install:
     - call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" %platform%
     - build_win test-install
     - set janet_outname=%appveyor_repo_tag_name%
-    - if "%janet_outname%"=="" set janet_outname=v1.5.1
+    - if "%janet_outname%"=="" set janet_outname=v1.6.0
 build: off
 
 artifacts:
diff --git a/janet-installer.nsi b/janet-installer.nsi
index 45279727..ab8a1bd5 100644
--- a/janet-installer.nsi
+++ b/janet-installer.nsi
@@ -1,5 +1,5 @@
 # Version
-!define VERSION "1.5.1"
+!define VERSION "1.6.0"
 !define PRODUCT_VERSION "${VERSION}.0"
 VIProductVersion "${PRODUCT_VERSION}"
 VIFileVersion "${PRODUCT_VERSION}"
diff --git a/meson.build b/meson.build
index 9e482cab..283250c7 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 : '1.5.1')
+  version : '1.6.0-dev')
 
 # 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 a5908ece..243513b6 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 5
-#define JANET_VERSION_PATCH 1
-#define JANET_VERSION_EXTRA ""
-#define JANET_VERSION "1.5.1"
+#define JANET_VERSION_MINOR 6
+#define JANET_VERSION_PATCH 0
+#define JANET_VERSION_EXTRA "-dev"
+#define JANET_VERSION "1.6.0-dev"
 
 /* #define JANET_BUILD "local" */