diff --git a/libica.changes b/libica.changes
index e72c78f..3652a84 100644
--- a/libica.changes
+++ b/libica.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Oct 22 19:09:13 UTC 2018 - mpost@suse.com
+
+- Added "Obsoletes: libica-2_3_0" to the libica-tools package to
+  fix a problem with upgrading from SLES12 SP2 to either SLES12
+  SP3/SP4, or SLES15. (bsc#1112655)
+
 -------------------------------------------------------------------
 Tue Sep 11 17:19:57 UTC 2018 - mpost@suse.com
 
diff --git a/libica.spec b/libica.spec
index ea97c5b..cd0e6a5 100644
--- a/libica.spec
+++ b/libica.spec
@@ -66,6 +66,7 @@ modules to interface with the IBM eServer Cryptographic Accelerator
 Summary:        Utilities for the IBM Cryptographic Accelerator
 Group:          Hardware/Other
 Obsoletes:      libica < %{version}-%{release}
+Obsoletes:      libica-2_3_0
 Obsoletes:      libica2
 Provides:       libica = %{version}-%{release}
 Provides:       libica-plugin = %{version}-%{release}