diff --git a/udisks2.yaml b/udisks2.yaml
index 402a0e2..123fc95 100644
--- a/udisks2.yaml
+++ b/udisks2.yaml
@@ -8,10 +8,10 @@ data:
             - MIT
     dependencies:
         buildrequires:
-            bootstrap: master
+            bootstrap: f27
         requires:
-            platform: master
-            python3: master
+            platform: f27
+            python3: 3.6
     references:
         community: https://docs.pagure.org/modularity/
         documentation: https://github.com/modularity-modules/udisks2
@@ -28,6 +28,11 @@ data:
             - udisks2-lsm
             - udisks2-lvm2
             - udisks2-zram
+    filter:
+        rpms:
+            - gphoto2
+            - umockdev
+            - umockdev-devel
     profiles:
         default:
             description: A generated profile based on top-lvl package list.
@@ -44,38 +49,30 @@ data:
                 - udisks2-zram
     components:
         rpms:
-            # gphoto2-2.5.14-3.fc27
             gphoto2:
-                rationale: BR of umockdev
-                ref:  bc40ed73a66f48972a33ef8ab73d67d20daaf9b0
-                buildorder: -5
-            # libatasmart-0.19-13.fc28
+                rationale: Build-time dependency for umockdev.
+                ref: f27
+                buildorder: -2
+            umockdev:
+                rationale: Build-time dependency for libgudev.
+                ref: f27
+                buildorder: -1
             libatasmart:
                 rationale: Generated.
-                ref: 3550371737b9330cc49b63e202e685531a39a391
-            # libgudev-232-1.fc28
+                ref: f27
             libgudev:
                 rationale: Generated.
-                ref: f9cb11e4171b3696d4b275d15c2df5089054f33f
-                buildorder: 5
-            # libstoragemgmt-1.6.0-1.fc28
+                ref: f27
             libstoragemgmt:
                 rationale: Generated.
-                ref: e87c854f5c09bea57188663a4f39c988785510f1
-            # ntfs-3g-2017.3.23-3.fc27
+                ref: f27
             ntfs-3g:
                 rationale: Generated.
-                ref: 9e4dd86a3f29efd6b8e007aba273824cb55cdaf4
-            # udisks2-2.7.3-1.fc28
+                ref: f27
             udisks2:
                 rationale: Generated.
-                ref: 1bcf4698781cf628807edb7eeefefb1131856e19
-            # umockdev-0.9.2-1.fc27
-            umockdev:
-                rationale: Generated.
-                ref: 5701ee60463b38cb18f1baa8f8f136562bd3887a
-            # yajl-2.1.0-8.fc27
+                # platform:f27 provides libblockdev-2.12, stick to udisks2-2.7.3
+                ref: c94cd9a934f2c64d16d78656610ba5d2e88a1d69
             yajl:
                 rationale: Generated.
-                ref: f0a40925095cf1f0470757f46e097f86bce1dc67
-
+                ref: f27