diff --git a/README.md b/README.md
index d6d6a04..b187726 100755
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ctools information
 ==================
-* Version:             1.7.0 (29 May 2019)
-* GammaLib dependency: 1.7.0
+* Version:             1.8.0.dev (29 May 2019)
+* GammaLib dependency: 1.8.0.dev
 
 [![Build Status](https://cta-jenkins.irap.omp.eu/buildStatus/icon?job=ctools-integrate-os)](https://cta-jenkins.irap.omp.eu/job/ctools-integrate-os/)
 
diff --git a/configure.ac b/configure.ac
index 6085666..3c20906 100755
--- a/configure.ac
+++ b/configure.ac
@@ -28,7 +28,7 @@
 #############################################################################
 # Initialisation                                                            #
 #############################################################################
-AC_INIT([ctools], [1.7.0], [jurgen.knodlseder@irap.omp.eu], [ctools])
+AC_INIT([ctools], [1.8.0.dev], [jurgen.knodlseder@irap.omp.eu], [ctools])
 AC_CONFIG_SRCDIR([src/ctselect/ctselect.cpp])
 AC_CONFIG_MACRO_DIR([m4])
 #AM_INIT_AUTOMAKE([gnu no-dependencies foreign])
diff --git a/doc/Doxyfile b/doc/Doxyfile
index e4597e6..3be1c6e 100755
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -32,7 +32,7 @@ PROJECT_NAME           = ctools
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 1.7.0
+PROJECT_NUMBER         = 1.8.0.dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer
diff --git a/doc/source/conf.py b/doc/source/conf.py
index d2219c1..c56e69e 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -77,10 +77,10 @@ copyright = u'2014-2019, ctools developers'
 # built documents.
 #
 # The short X.Y version.
-version = '1.7'
+version = '1.8'
 
 # The full version, including alpha/beta/rc tags.
-release = '1.7.0'
+release = '1.8.0.dev'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/sonar-project.properties b/sonar-project.properties
index 42c1824..b001303 100755
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1,7 +1,7 @@
 # Required metadata
 sonar.projectKey=ctools
 sonar.projectName=ctools
-sonar.projectVersion=1.7.0
+sonar.projectVersion=1.8.0.dev
 
 # Description
 sonar.projectDescription="Cherenkov Telescope Array Science Analysis Software"