diff --git a/abi_used_libs b/abi_used_libs
--- a/abi_used_libs
+++ b/abi_used_libs
@@ -1,7 +1,7 @@
-libboost_context.so.1.66.0
-libboost_iostreams.so.1.66.0
-libboost_python3.so.1.66.0
-libboost_regex.so.1.66.0
+libboost_context.so.1.72.0
+libboost_iostreams.so.1.72.0
+libboost_python37.so.1.72.0
+libboost_regex.so.1.72.0
 libc.so.6
 libcairomm-1.0.so.1
 libexpat.so.1
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,6 +1,6 @@
 name       : graph-tool
 version    : 2.29
-release    : 8
+release    : 9
 source     :
     - https://downloads.skewed.de/graph-tool/graph-tool-2.29.tar.bz2 : 6c0c4336bed6e2f79c91ace6d6914145ee03d0bd5025473b5918aec2b0657f7a
 license    : GPL-3.0-or-later
@@ -23,10 +23,19 @@
     - python3-cairo
     - scipy
 clang      : yes
+environment: |
+    # workaround for bug in boost 1.72
+    export CPPFLAGS="$CPPFLAGS -DHAVE_BOOST_COROUTINE"
+    # Linking jobs routinely use 10+ GiB of RAM, so limit them to 1 at a time
+    export LLVM_PARALLEL_LINK_JOBS=1
 setup      : |
     %configure PREFIX=/usr PYTHON=python3
 build      : |
-    # build with -j1 to limit memory usage (this is a memory monster)
-    %make -j1
+    # Maximum observed single compile job size is around 8 GiB Resident with sizes in the range 1.5-5 GiB the most common.
+    # Likely due to poor job parallelism in make, the build will fan out to $CPUs -> 4-6 CPUs -> 1-2 CPUs.
+    # For systems with 16 GiB RAM, make -j3 is barely suitable and make -j2 is recommended if the system will be in use during the build.
+    # For systems with 32 GiB RAM, make -j12 is probably the maximum.
+    # For systems with 64 GiB RAM, make -j24 is probably the maximum. (Should be used for the Buildserver)
+    %make -j24
 install    : |
     %make_install
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -2,8 +2,8 @@
     <Source>
         <Name>graph-tool</Name>
         <Packager>
-            <Name>Bryan T. Meyers</Name>
-            <Email>bmeyers@datadrake.com</Email>
+            <Name>F. von Gellhorn</Name>
+            <Email>flinux@vongellhorn.ch</Email>
         </Packager>
         <License>GPL-3.0-or-later</License>
         <PartOf>programming.python</PartOf>
@@ -359,19 +359,19 @@
 </Description>
         <PartOf>programming.devel</PartOf>
         <RuntimeDependencies>
-            <Dependency release="8">graph-tool</Dependency>
+            <Dependency release="9">graph-tool</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="data">/usr/lib64/pkgconfig/graph-tool-py3.7.pc</Path>
         </Files>
     </Package>
     <History>
-        <Update release="8">
-            <Date>2020-02-06</Date>
+        <Update release="9">
+            <Date>2020-03-22</Date>
             <Version>2.29</Version>
             <Comment>Packaging update</Comment>
-            <Name>Bryan T. Meyers</Name>
-            <Email>bmeyers@datadrake.com</Email>
+            <Name>F. von Gellhorn</Name>
+            <Email>flinux@vongellhorn.ch</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file