diff --git a/platform.yaml b/platform.yaml
index b342bac..2dc94c0 100644
--- a/platform.yaml
+++ b/platform.yaml
@@ -166,6 +166,11 @@ data:
                 rationale: >-
                     Provides the SELinux policy compiler.
                 ref: 980d2c8c0c5c0aaf2253dfe2a57480d84245e108
+            # checksec-1.7.4-5.fc28
+            checksec:
+                rationale: >-
+                    A tool for checking binary hardening.
+                ref: 43d4d5fbcf011ec1deb892f8a9cdd769f344a079
             # chkconfig-1.10-3.fc27
             chkconfig:
                 rationale: >-
@@ -290,16 +295,16 @@ data:
                 rationale: >-
                     DNF package manager.
                 ref: boltron
-            # docbook-dtds-1.0-67.fc27
+            # docbook-dtds-1.0-68.fc28
             docbook-dtds:
                 rationale: >-
                     Docbook DTDs are a common build dependency.
-                ref: 1b7b578b7d8f1080188021e469716af2731fb149
-            # docbook-style-xsl-1.79.2-5.fc27
+                ref: 14932646578f5b96446d0babbcefab9f7402e005
+            # docbook-style-xsl-1.79.2-6.fc28
             docbook-style-xsl:
                 rationale: >-
                     Docbook XSLs are a common build dependency.
-                ref: a2b668555e8e42dabf561abd133c831aa73d91a5
+                ref: e3ae7a97ed1d185594dd35954e1a02196afb205a
             # dosfstools-4.1-4.fc27
             dosfstools:
                 rationale: >-
@@ -383,11 +388,6 @@ data:
                 rationale: >-
                     Autogenerated by Host & Platform tooling.
                 ref: be393057db45c650bbc9d7b7ffab018156c1a869
-            # fedora-rpm-macros-26-3.fc27
-            fedora-rpm-macros:
-                rationale: >-
-                    Autogenerated by Host & Platform tooling.
-                ref: 26fa0d9e9c6a659c4084daf452e52f1815085ca2
             # fedpkg-minimal-1.1.0-9.fc27
             fedpkg-minimal:
                 rationale: >-
@@ -445,11 +445,11 @@ data:
                 rationale: >-
                     Autogenerated by Host & Platform tooling.
                 ref: 7ab5856edddbff4f78d3ab8782717c532f843a36
-            # gcc-7.1.1-7.fc27.1
+            # gcc-7.2.1-2.fc27
             gcc:
                 rationale: >-
                     C runtime; C++ runtime; C compiler; C++ compiler.
-                ref: 23f4b29ddd1324d32f170995975ce4ba2150bf1b
+                ref: 553b93f777d042d5c9b316323e518c435c8c8910
             # gdb-8.0.1-27.fc28
             gdb:
                 rationale: >-
@@ -688,13 +688,13 @@ data:
                 rationale: >-
                     Autogenerated by Host & Platform tooling.
                 ref: 9de04eff7aa66df3c2ff462abf43ce45c84468a8
-            # krb5-1.15.1-28.fc28
+            # krb5-1.15.2-3.fc27
             krb5:
                 rationale: >-
                     Provides Kerberos libraries; provides Kerberos PKINIT
                     plugin; provides Kerberos client
                     utilities.
-                ref: 11b90e9e6e42aeb2568fb67e68eb3e398dd4fbcb
+                ref: 91465b2b091557c11d9824b34c1ae8a8b7d345b3
             # less-487-5.fc27
             less:
                 rationale: >-
@@ -1148,6 +1148,11 @@ data:
                 rationale: >-
                     Autogenerated by Host & Platform tooling.
                 ref: 7a0fcb61089ef3dd3f93c535a22d4d011c315038
+            # multilib-rpm-config-1-9.fc27
+            multilib-rpm-config:
+                rationale: >-
+                    A collection of tools to simplify multilib packaging.
+                ref: 1d565a81282a94110d6392222579f26dbe42c0f6
             # nano-2.8.6-3.fc27
             nano:
                 rationale: >-
@@ -1392,11 +1397,11 @@ data:
                 rationale: >-
                     A line-editing library, similar to libedit.
                 ref: 3f2a3a2460f4d14cc41eaf28aaf0df29d1fe4efc
-            # redhat-rpm-config-67-1.fc27
+            # redhat-rpm-config-68-1.fc28
             redhat-rpm-config:
                 rationale: >-
                     Base RPM macros.
-                ref: 6d23bc8dc055c208eb8afbb02a543474716c1670
+                ref: fb76fd52006c7aa539d5a9b6767b0502113da19a
             # rootfiles-8.1-21.fc27
             rootfiles:
                 rationale: >-
@@ -1449,11 +1454,11 @@ data:
                 rationale: >-
                     Utilities for SCSI device management.
                 ref: fe6805bd2d135b4e391a0b23c93f9d68284173bc
-            # sgml-common-0.6.3-46.fc27
+            # sgml-common-0.6.3-47.fc28
             sgml-common:
                 rationale: >-
                     Common SGML catalogs; common XML catalogs.
-                ref: 244cf59c28d5ebaace902a5c80ffc1eff3c54734
+                ref: 8ab6c4bd5da16c4fc173e09be976e738fc5160cb
             # sgpio-1.2.0.10-19.fc27
             sgpio:
                 rationale: >-
@@ -1578,7 +1583,7 @@ data:
                 rationale: >-
                     XFS support.
                 ref: e6eea5b0c1b85945da4be56d6dbddf5cd9a998cd
-            # xmlrpc-c-1.49.02-2.fc27
+            # xmlrpc-c-1.49.02-2.fc28
             xmlrpc-c:
                 rationale: >-
                     Provides a lightweight RPC library.