diff --git a/src/WebEid.AspNetCore.Example/Certificates/Dev/TEST_of_KLASS3-SK_2016.cer b/src/WebEid.AspNetCore.Example/Certificates/Dev/TEST_of_KLASS3-SK_2016.cer
new file mode 100644
index 0000000..190f6de
Binary files /dev/null and b/src/WebEid.AspNetCore.Example/Certificates/Dev/TEST_of_KLASS3-SK_2016.cer differ
diff --git a/src/WebEid.AspNetCore.Example/Certificates/Prod/KLASS3-SK_2016_EECCRCA_SHA384.cer b/src/WebEid.AspNetCore.Example/Certificates/Prod/KLASS3-SK_2016_EECCRCA_SHA384.cer
new file mode 100644
index 0000000..32b46bd
Binary files /dev/null and b/src/WebEid.AspNetCore.Example/Certificates/Prod/KLASS3-SK_2016_EECCRCA_SHA384.cer differ
diff --git a/src/WebEid.AspNetCore.Example/WebEid.AspNetCore.Example.csproj b/src/WebEid.AspNetCore.Example/WebEid.AspNetCore.Example.csproj
index 8c06c79..791099b 100644
--- a/src/WebEid.AspNetCore.Example/WebEid.AspNetCore.Example.csproj
+++ b/src/WebEid.AspNetCore.Example/WebEid.AspNetCore.Example.csproj
@@ -29,6 +29,12 @@
Always
+
+ PreserveNewest
+
+
+ PreserveNewest
+