diff --git a/polymake.spec b/polymake.spec
index b4f5ddb..7026a1c 100644
--- a/polymake.spec
+++ b/polymake.spec
@@ -9,11 +9,11 @@
 
 # JuPyMake version and release numbers
 %global jupymakever 0.8
-%global jupymakerel 4%{?dist}
+%global jupymakerel 5%{?dist}
 
 # jupyter-polymake version and release numbers
 %global jupyterpmver 0.16
-%global jupyterpmrel 4%{?dist}
+%global jupyterpmrel 5%{?dist}
 
 # Build with the bundled version of jreality.  This currently includes bundled
 # versions of several other Java projects (e.g., bsh, janino, jinput), and also
@@ -22,7 +22,7 @@
 
 Name:           polymake
 Version:        3.4
-Release:        5%{?dist}
+Release:        6%{?dist}
 
 %global polydir %{_libdir}/%{name}
 %global majver  %(cut -dr -f1 <<< %{version})
@@ -198,7 +198,7 @@ This package contains documentation for %{name}.
 Summary:        Documentation for %{name}
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Version:        %{jupymakever}
-Release:        %{jupymakerel}.2
+Release:        %{jupymakerel}
 
 %description -n python3-JuPyMake
 This package contains a basic interface to call polymake from python.
@@ -210,7 +210,7 @@ Requires:       python-jupyter-filesystem
 Requires:       python3-JuPyMake = %{jupymakever}-%{jupymakerel}
 License:        WTFPL
 Version:        %{jupyterpmver}
-Release:        %{jupyterpmrel}.2
+Release:        %{jupyterpmrel}
 BuildArch:      noarch
 
 %description    jupyter
@@ -407,6 +407,9 @@ export QA_SKIP_BUILD_ROOT=1
 %{python3_sitelib}/jupyter_kernel_polymake*
 
 %changelog
+* Fri Aug  2 2019 Jerry James <loganjerry@gmail.com> - 3.4-6
+- Rebuild for normaliz 3.7.4 and to fix subpackage release number issues
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild