diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b1c45a0d4..fe77892ed 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -81,13 +81,16 @@ def fix_package_projects
         if repo
           package.realproject = package.project
           package.baseproject = repo[:project]
-        # one off exception for Leap 15.3, which switched it's default
-        # repository name from openSUSE_Leap_15.3 to 15.3
-        elsif package.repository == 'openSUSE_Leap_15.3'
-          leap153 = @distributions.find { |d| d[:dist_id] == '20043' }
-          next unless leap153
+        elsif package.repository == 'openSUSE_Leap_15.4'
+          leap154 = @distributions.find { |d| d[:dist_id] == '23178' }
+          next unless leap154
 
-          package.baseproject = leap153[:project]
+          package.baseproject = leap154[:project]
+        elsif package.repository == 'openSUSE_Leap_15.5'
+          leap155 = @distributions.find { |d| d[:dist_id] == '23175' }
+          next unless leap155
+
+          package.baseproject = leap155[:project]
         end
       end
     end
diff --git a/app/controllers/search_controller.rb b/app/controllers/search_controller.rb
index a82355f8e..a256f81c8 100644
--- a/app/controllers/search_controller.rb
+++ b/app/controllers/search_controller.rb
@@ -74,6 +74,6 @@ def index
   private
 
   def baseproject_not_canonical?
-    ['SUSE:SLE-15-SP3:GA', 'SUSE:SLE-15-SP2:GA', 'SUSE:SLE-15-SP1:GA', 'openSUSE:Leap:15.3'].include?(@baseproject)
+    ['openSUSE:Leap:15.5', 'openSUSE:Leap:15.4'].include?(@baseproject)
   end
 end
diff --git a/config/initializers/distributions_projects.rb b/config/initializers/distributions_projects.rb
index 8e172cdd4..149a8b9ae 100644
--- a/config/initializers/distributions_projects.rb
+++ b/config/initializers/distributions_projects.rb
@@ -2,8 +2,19 @@
 
 # maps a distro_id to an Array of project names that could be the baseproject
 DISTRIBUTION_PROJECTS_OVERRIDE = {
-  # Leap 15.3
-  '20452' => ['SUSE:SLE-15:GA', 'SUSE:SLE-15:Update', 'SUSE:SLE-15-SP1:GA',
-              'SUSE:SLE-15-SP1:Update', 'SUSE:SLE-15-SP2:GA', 'SUSE:SLE-15-SP2:Update',
-              'SUSE:SLE-15-SP3:GA', 'SUSE:SLE-15-SP3:Update', 'openSUSE:Leap:15.3', 'openSUSE:Backports:SLE-15-SP3']
+  # Leap 15.4
+  '23178' => ['SUSE:SLE-15:GA', 'SUSE:SLE-15:Update',
+              'SUSE:SLE-15-SP1:GA', 'SUSE:SLE-15-SP1:Update',
+              'SUSE:SLE-15-SP2:GA', 'SUSE:SLE-15-SP2:Update',
+              'SUSE:SLE-15-SP3:GA', 'SUSE:SLE-15-SP3:Update',
+              'SUSE:SLE-15-SP4:GA', 'SUSE:SLE-15-SP4:Update',
+              'openSUSE:Backports:SLE-15-SP4', 'openSUSE:Leap:15.4'],
+  # Leap 15.5
+  '23175' => ['SUSE:SLE-15:GA','SUSE:SLE-15:Update',
+              'SUSE:SLE-15-SP1:GA','SUSE:SLE-15-SP1:Update',
+              'SUSE:SLE-15-SP2:GA', 'SUSE:SLE-15-SP2:Update',
+              'SUSE:SLE-15-SP3:GA', 'SUSE:SLE-15-SP3:Update',
+              'SUSE:SLE-15-SP4:GA', 'SUSE:SLE-15-SP4:Update',
+              'SUSE:SLE-15-SP5:GA', 'SUSE:SLE-15-SP5:Update',
+              'openSUSE:Backports:SLE-15-SP5', 'openSUSE:Leap:15.5']
 }.freeze