diff --git a/pkgs/parser-tools-pkgs/parser-tools-doc/info.rkt b/pkgs/parser-tools-pkgs/parser-tools-doc/info.rkt
index c14a2ca..b851188 100644
--- a/pkgs/parser-tools-pkgs/parser-tools-doc/info.rkt
+++ b/pkgs/parser-tools-pkgs/parser-tools-doc/info.rkt
@@ -1 +1,3 @@
 #lang setup/infotab
+
+(define collection 'multi)
diff --git a/pkgs/parser-tools-pkgs/parser-tools-lib/info.rkt b/pkgs/parser-tools-pkgs/parser-tools-lib/info.rkt
index c14a2ca..b851188 100644
--- a/pkgs/parser-tools-pkgs/parser-tools-lib/info.rkt
+++ b/pkgs/parser-tools-pkgs/parser-tools-lib/info.rkt
@@ -1 +1,3 @@
 #lang setup/infotab
+
+(define collection 'multi)
diff --git a/pkgs/parser-tools-pkgs/parser-tools/info.rkt b/pkgs/parser-tools-pkgs/parser-tools/info.rkt
index e7a6ecb..f91c013 100644
--- a/pkgs/parser-tools-pkgs/parser-tools/info.rkt
+++ b/pkgs/parser-tools-pkgs/parser-tools/info.rkt
@@ -1,4 +1,6 @@
 #lang setup/infotab
 
+(define collection 'multi)
+
 (define deps '("parser-tools-lib"
                "parser-tools-doc"))