diff --git a/ports/curl/CONTROL b/ports/curl/CONTROL
index 26fe767c3..bca23865d 100644
--- a/ports/curl/CONTROL
+++ b/ports/curl/CONTROL
@@ -1,3 +1,4 @@
 Source: curl
-Version: 7.51.0
-Description: A library for transferring data with URLs
\ No newline at end of file
+Version: 7.51.0-1
+Build-Depends: zlib, openssl
+Description: A library for transferring data with URLs
diff --git a/ports/freetype/CONTROL b/ports/freetype/CONTROL
index 39def18fc..614017c81 100644
--- a/ports/freetype/CONTROL
+++ b/ports/freetype/CONTROL
@@ -1,3 +1,4 @@
 Source: freetype
-Version: 2.6.3-1
+Version: 2.6.3-2
+Build-Depends: zlib
 Description: A library to render fonts.
\ No newline at end of file
diff --git a/ports/tiff/CONTROL b/ports/tiff/CONTROL
index df11c0e9c..65e3d37da 100644
--- a/ports/tiff/CONTROL
+++ b/ports/tiff/CONTROL
@@ -1,3 +1,4 @@
 Source: tiff
-Version: 4.0.6
+Version: 4.0.6-1
+Build-Depends: zlib
 Description: A library that supports the manipulation of TIFF image files
\ No newline at end of file