diff --git a/rubygem-public_suffix.spec b/rubygem-public_suffix.spec
index 93671f7..90b2d8a 100644
--- a/rubygem-public_suffix.spec
+++ b/rubygem-public_suffix.spec
@@ -2,8 +2,8 @@
 %global gem_name public_suffix
 
 Name: rubygem-%{gem_name}
-Version: 4.0.5
-Release: 2%{?dist}
+Version: 4.0.6
+Release: 1%{?dist}
 Summary: Domain name parser based on the Public Suffix List
 # MPLv2.0: %%{gem_instdir}/data/list.txt
 License: MIT and MPLv2.0
@@ -83,6 +83,10 @@ popd
 %{gem_instdir}/test
 
 %changelog
+* Fri Oct 30 16:24:50 CET 2020 Pavel Valena <pvalena@redhat.com> - 4.0.6-1
+- Update to public_suffix 4.0.6.
+  Resolves: rhbz#1874804
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 4.0.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/sources b/sources
index 24183f5..b75a3b7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (public_suffix-4.0.5.gem) = 5de30466e27d853c498f210dbe168c52d0e5efab5b6388c88de5667e40dee151041d6a1a9203780230dfa03bd2fb920a50b1301d05d12a31f4d31f8352218821
+SHA512 (public_suffix-4.0.6.gem) = a756c0f8f9cee2d12bd1730280108b72befa362defda12e5f6d7af6d68c40e31478c337b3eb7e7407feff9531082051d18928861003c7ba29679b4048da3b4b1