diff --git a/pkg/kamailio/obs/kamailio.spec b/pkg/kamailio/obs/kamailio.spec
index ae5836f1807..ee275e14825 100644
--- a/pkg/kamailio/obs/kamailio.spec
+++ b/pkg/kamailio/obs/kamailio.spec
@@ -774,6 +774,10 @@ BuildRequires:  python2, python2-devel
 %if 0%{?rhel} == 7
 Requires:   python36, kamailio = %ver
 BuildRequires:  python36, python36-devel
+%endif
+%if 0%{?rhel} == 8
+Requires:   python39, kamailio = %ver
+BuildRequires:  python39, python39-devel
 %else
 Requires:   python3, kamailio = %ver
 BuildRequires:  python3, python3-devel
@@ -1141,6 +1145,9 @@ make every-module skip_modules="app_mono db_cassandra db_oracle iptrtpproxy \
 %endif
 %if 0%{?fedora} || 0%{?suse_version} || 0%{?rhel} == 8
     FREERADIUS=1 \
+%endif
+%if 0%{?rhel} == 8
+    PYTHON3=python3.9 \
 %endif
     group_include="kstandard kautheph kberkeley kcarrierroute \
 %if %{with cnxcc}
@@ -1239,6 +1246,9 @@ make install-modules-all skip_modules="app_mono db_cassandra db_oracle \
 %endif
 %if 0%{?fedora} || 0%{?suse_version} || 0%{?rhel} == 8
     FREERADIUS=1 \
+%endif
+%if 0%{?rhel} == 8
+    PYTHON3=python3.9 \
 %endif
     group_include="kstandard kautheph kberkeley kcarrierroute \
 %if %{with cnxcc}