diff --git a/CEP/Pipeline/docs/examples/definition/dummy_parallel/pipeline.cfg b/CEP/Pipeline/docs/examples/definition/dummy_parallel/pipeline.cfg
index a788b8957376a1eb536bc773a9ed6ae551451c94..53f8f116f94826f97eda95d18d01290110cd24b0 100644
--- a/CEP/Pipeline/docs/examples/definition/dummy_parallel/pipeline.cfg
+++ b/CEP/Pipeline/docs/examples/definition/dummy_parallel/pipeline.cfg
@@ -20,6 +20,6 @@ multiengine_furl = %(runtime_directory)s/multiengine.furl
 
 [deploy]
 script_path = /opt/pipeline/framework/bin
-controller_ppath = /opt/pipeline/dependencies/lib/python2.5/site-packages:/opt/pipeline/framework/lib/python2.5/site-packages
-engine_ppath = /opt/pipeline/dependencies/lib/python2.5/site-packages/:/opt/pipeline/framework/lib/python2.5/site-packages:/opt/LofIm/daily/pyrap/lib:/opt/LofIm/daily/lofar/lib/python2.5/site-packages:/opt/pythonlibs/lib/python/site-packages
+controller_ppath = /opt/pipeline/dependencies/lib/python3.4/site-packages:/opt/pipeline/framework/lib/python3.4/site-packages
+engine_ppath = /opt/pipeline/dependencies/lib/python3.4/site-packages/:/opt/pipeline/framework/lib/python3.4/site-packages:/opt/LofIm/daily/pyrap/lib:/opt/LofIm/daily/lofar/lib/python3.4/site-packages:/opt/pythonlibs/lib/python/site-packages
 engine_lpath = /opt/pipeline/dependencies/lib:/opt/LofIm/daily/pyrap/lib:/opt/LofIm/daily/casacore/lib:/opt/LofIm/daily/lofar/lib:/opt/wcslib/lib/:/opt/hdf5/lib
diff --git a/CEP/Pipeline/docs/examples/definition/sip2/pipeline.cfg b/CEP/Pipeline/docs/examples/definition/sip2/pipeline.cfg
index 2abb670c25b4cb47c412fa92d85631d3d6d61bbc..1231abf4e0af04956253160d11b099b7e102eb52 100644
--- a/CEP/Pipeline/docs/examples/definition/sip2/pipeline.cfg
+++ b/CEP/Pipeline/docs/examples/definition/sip2/pipeline.cfg
@@ -13,8 +13,8 @@ multiengine_furl = %(runtime_directory)s/multiengine.furl
 
 [deploy]
 script_path = /opt/pipeline/framework/bin
-controller_ppath = /opt/pipeline/dependencies/lib/python2.5/site-packages:/opt/pipeline/framework/lib/python2.5/site-packages
-engine_ppath = /opt/pipeline/dependencies/lib/python2.5/site-packages/:/opt/pipeline/framework/lib/python2.5/site-packages:/opt/LofIm/daily/pyrap/lib:/opt/LofIm/daily/lofar/lib/python2.5/site-packages:/opt/pythonlibs/lib/python/site-packages
+controller_ppath = /opt/pipeline/dependencies/lib/python3.4/site-packages:/opt/pipeline/framework/lib/python3.4/site-packages
+engine_ppath = /opt/pipeline/dependencies/lib/python3.4/site-packages/:/opt/pipeline/framework/lib/python3.4/site-packages:/opt/LofIm/daily/pyrap/lib:/opt/LofIm/daily/lofar/lib/python3.4/site-packages:/opt/pythonlibs/lib/python/site-packages
 engine_lpath = /opt/pipeline/dependencies/lib:/opt/LofIm/daily/pyrap/lib:/opt/LofIm/daily/casacore/lib:/opt/LofIm/daily/lofar/lib:/opt/wcslib/lib/:/opt/hdf5/lib
 
 [logging]
diff --git a/CEP/Pipeline/recipes/sip/pipeline.cfg.CEP4.tmpl b/CEP/Pipeline/recipes/sip/pipeline.cfg.CEP4.tmpl
index 27b04cf6f7ac34c611d641ceaedd4877042ad29d..bca2626b704ac8473c983dbcf038a76cce09803c 100644
--- a/CEP/Pipeline/recipes/sip/pipeline.cfg.CEP4.tmpl
+++ b/CEP/Pipeline/recipes/sip/pipeline.cfg.CEP4.tmpl
@@ -6,7 +6,7 @@ casaroot = /opt/casacore
 pyraproot = /opt/python-casacore/pyrap
 hdf5root = 
 wcsroot = /opt/wcslib
-pythonpath = /opt/lofar/lib/python2.7/site-packages
+pythonpath = /opt/lofar/lib/python3.4/site-packages
 # runtime dir is a global FS (nfs, lustre) to exchange small files (parsets, vds, map files, etc)
 runtime_directory = /data/share/pipeline
 recipe_directories = [%(pythonpath)s/lofarpipe/recipes]
diff --git a/CMake/variants/variants.dop256 b/CMake/variants/variants.dop256
index 25eca45b00d4a079eb1688993a3ab7ede020cc22..116d2f2ba8c64ef8c0c76d86f8954ad47104b28e 100644
--- a/CMake/variants/variants.dop256
+++ b/CMake/variants/variants.dop256
@@ -14,7 +14,7 @@ option(USE_CUDA      "Use CUDA"      ON)
 set(QPID_ROOT_DIR /opt/qpid)
 
 # This is a Python runtime dependency and thus shouldn't be needed here. But let's fix the build for the mo.
-set(BDSF_ROOT_DIR  /usr/local/lib/python2.7/dist-packages)
+set(BDSF_ROOT_DIR  /usr/local/lib/python3.4/dist-packages)
 
 # Enable ccache symlinks to accelerate recompilation (/usr/bin/ccache).
 #set(GNU_C         /usr/lib64/ccache/gcc)
diff --git a/CMake/variants/variants.dop320 b/CMake/variants/variants.dop320
index e11707efd900a6574ec1f1adbb928c77e7f109b0..e31c3660039aa1667c78949a0dea8e086937839a 100644
--- a/CMake/variants/variants.dop320
+++ b/CMake/variants/variants.dop320
@@ -1,2 +1 @@
-# Fix for Debian (FindPython tends to settle on /usr/bin/python2.6, which is a "minimal" python install)
-set(PYTHON_EXECUTABLE "/usr/bin/python2.7")
+set(PYTHON_EXECUTABLE "/usr/bin/python3")
diff --git a/CMake/variants/variants.lcs157 b/CMake/variants/variants.lcs157
index 148f76b8073418c33117450ccd70133fe4836213..24132ce3a28a13b607d4ece991ebd3f40b53f2b1 100644
--- a/CMake/variants/variants.lcs157
+++ b/CMake/variants/variants.lcs157
@@ -7,7 +7,7 @@ set(CASACORE_ROOT_DIR "/opt/casacore")
 set(CASAREST_ROOT_DIR "/opt/casarest")
 set(PYRAP_ROOT_DIR "/opt/pyrap")
 set(AOFLAGGER_ROOT_DIR "/opt/aoflagger/build")
-set(BDSF_ROOT_DIR "/opt/PyBDSF/lib64/python2.7/site-packages/")
+set(BDSF_ROOT_DIR "/opt/PyBDSF/lib64/python3.4/site-packages/")
 set(DAL_ROOT_DIR "/opt/DAL")
 #set(QPID_ROOT_DIR /opt/qpid)