diff --git a/build_configs/buildconfig_bc2 b/build_configs/buildconfig_bc2
index ae7aa9384f42215d685e16c9c8eda6389243fd08..5c8dccf19548f179ea581798867d4ebbcb557f1c 100644
--- a/build_configs/buildconfig_bc2
+++ b/build_configs/buildconfig_bc2
@@ -1,8 +1,8 @@
-set(FFTW_INCLUDE_PATH "/scicore/soft/apps/FFTW/3.3.3-gompi-1.4.10/include/" CACHE PATH "")
-set(FFTW_LIBRARY "/scicore/soft/apps/FFTW/3.3.3-gompi-1.4.10/lib/libfftw3f.a"  CACHE PATH "")
-set(PYTHON_ROOT "/scicore/soft/apps/Python/2.7.5-goolf-1.4.10"  CACHE PATH "")
-set(EIGEN3_INCLUDE_DIR "/scicore/soft/apps/Eigen/3.2.1-goolf-1.4.10/include/Eigen" CACHE PATH "")
-set(BOOST_ROOT "/import/bc2/apps/Boost/1.53.0-goolf-1.4.10-Python-2.7.5"  CACHE PATH "")
-set(QT_QMAKE_EXECUTABLE "/usr/bin/qmake-qt4" CACHE PATH "")
-set(COMPOUND_LIB "/import/bc2/home/schwede/GROUP/OpenStructure/ChemLib/compounds.chemlib" CACHE PATH "")
+set(FFTW_INCLUDE_PATH "/scicore/soft/apps/FFTW/3.3.8-gompi-2018b/include/" CACHE PATH "")
+set(FFTW_LIBRARY "/scicore/soft/apps/FFTW/3.3.8-gompi-2018b/lib/libfftw3f.a"  CACHE PATH "")
+set(PYTHON_ROOT "/scicore/soft/apps/Python/3.6.6-foss-2018"  CACHE PATH "")
+set(EIGEN3_INCLUDE_DIR "/scicore/soft/apps/Eigen/3.3.1/include/Eigen" CACHE PATH "")
+set(BOOST_ROOT "/scicore/soft/apps/Boost/1.68.0-foss-2018b-Python-3.6.6"  CACHE PATH "")
+set(QT_QMAKE_EXECUTABLE "/usr/bin/qmake-qt5" CACHE PATH "")
+set(COMPOUND_LIB "/scicore/home/schwede/GROUP/OpenStructure/ChemLib/1.8/compounds.chemlib" CACHE PATH "")
 set (CMAKE_BUILD_TYPE "Release" CACHE PATH "")
diff --git a/build_configs/buildconfig_bc2_static b/build_configs/buildconfig_bc2_static
index d25730b349840c25abf398a9b7d981d13bab5c2d..bf27f7e8f959a9a0aec244240bd839b6784427e0 100644
--- a/build_configs/buildconfig_bc2_static
+++ b/build_configs/buildconfig_bc2_static
@@ -1,10 +1,10 @@
-set(FFTW_INCLUDE_PATH "/scicore/soft/apps/FFTW/3.3.3-gompi-1.4.10/include/" CACHE PATH "")
-set(FFTW_LIBRARY "/scicore/soft/apps/FFTW/3.3.3-gompi-1.4.10/lib/libfftw3f.a"  CACHE PATH "")
+set(FFTW_INCLUDE_PATH "/scicore/soft/apps/FFTW/3.3.8-gompi-2018b/include/" CACHE PATH "")
+set(FFTW_LIBRARY "/scicore/soft/apps/FFTW/3.3.8-gompi-2018b/lib/libfftw3f.a"  CACHE PATH "")
 set(DL_LIBRARIES "/usr/lib64/libdl.a"  CACHE PATH "")
 set(PTHREAD_LIBRARIES "/usr/lib64/libpthread.a"  CACHE PATH "")
-set(ZLIB_LIBRARY "/scicore/soft/apps/zlib/1.2.8-goolf-1.4.10/lib/libz.a"  CACHE PATH "")
-set(PYTHON_ROOT "/scicore/soft/apps/Python/2.7.5-goolf-1.4.10"  CACHE PATH "")
-set(EIGEN3_INCLUDE_DIR "/scicore/soft/apps/Eigen/3.2.1-goolf-1.4.10/include/Eigen" CACHE PATH "")
-set(QT_QMAKE_EXECUTABLE "/usr/bin/qmake-qt4" CACHE PATH "")
-set(COMPOUND_LIB "/import/bc2/home/schwede/GROUP/OpenStructure/ChemLib/compounds.chemlib" CACHE PATH "")
+set(ZLIB_LIBRARY "/scicore/soft/apps/zlib/1.2.11-GCCcore-7.3.0/lib/libz.a"  CACHE PATH "")
+set(PYTHON_ROOT "/scicore/soft/apps/Python/3.6.6-foss-2018"  CACHE PATH "")
+set(EIGEN3_INCLUDE_DIR "/scicore/soft/apps/Eigen/3.3.1/include/Eigen" CACHE PATH "")
+set(QT_QMAKE_EXECUTABLE "/usr/bin/qmake-qt5" CACHE PATH "")
+set(COMPOUND_LIB "/scicore/home/schwede/GROUP/OpenStructure/ChemLib/1.8/compounds.chemlib" CACHE PATH "")
 set (CMAKE_BUILD_TYPE "Release" CACHE PATH "")
diff --git a/scripts/dng.bat.in b/scripts/dng.bat.in
index b40ba5b68f9ed236262d035be1db4600ad33522b..d012f7b7458e36de0a23964d5584748413c35747 100644
--- a/scripts/dng.bat.in
+++ b/scripts/dng.bat.in
@@ -30,4 +30,4 @@ REM set PATH=%BIN_DIR%;%DNG_ROOT%\@LIBDIR@\@BUILD_TYPE@;%DNG_ROOT%\@LIBDIR@;%DNG
 REM "%BIN_DIR%\@BUILD_TYPE@\gosty.exe" "%DNG_ROOT%\@LIBDIR@\openstructure\dng_startup" ost %*
 
 set PATH=%BIN_DIR%;%DNG_ROOT%\@LIBDIR@\;%PATH%
-"%DNG_ROOT%\libexec\openstructure\gosty.exe" "%DNG_ROOT%\@LIBDIR@\python2.7\site-packages\ost\dng_startup" ost %*
+"%DNG_ROOT%\libexec\openstructure\gosty.exe" "%DNG_ROOT%\@LIBDIR@\python3.6\site-packages\ost\dng_startup" ost %*
diff --git a/scripts/ost-nightly-build.sh b/scripts/ost-nightly-build.sh
index b8c45866164bd10df5abc477f3b9e121afda18fd..6f6cbddfe935c30af3beb5c1bfb13ead342c31bf 100644
--- a/scripts/ost-nightly-build.sh
+++ b/scripts/ost-nightly-build.sh
@@ -113,9 +113,9 @@ toolchain = {'name': 'goolf', 'version': '1.4.10'}
 
 sources = ['$TARBALL_NAME']
 
-builddependencies = [('CMake', '2.8.12')]
+builddependencies = [('CMake', '3.10.2')]
 
-pythonversion = "2.7.5"
+pythonversion = "3.6.6"
 pythonshortversion = ".".join(pythonversion.split(".")[:-1])
 
 dependencies = [
@@ -149,7 +149,7 @@ sanity_check_paths = {
     'dirs': ["include/ost"],
 }
 
-# add \$INSTALLDIR/lib64/python2.7/site-packages to PYTHONPATH
+# add \$INSTALLDIR/lib64/python3.6/site-packages to PYTHONPATH
 modextrapaths = {
     'PYTHONPATH': 'lib64/python%s/site-packages' % (pythonshortversion)
 }