diff --git a/sci-libs/cln/cln-1.3.4.recipe b/sci-libs/cln/cln-1.3.4.recipe
index c0a04be26..77cfa7c6a 100644
--- a/sci-libs/cln/cln-1.3.4.recipe
+++ b/sci-libs/cln/cln-1.3.4.recipe
@@ -22,7 +22,7 @@ SECONDARY_ARCHITECTURES="x86"
 
 PROVIDES="
 	cln$secondaryArchSuffix = $portVersion
-	lib:libcln$secondaryArchSuffix = $portVersion
+	lib:libcln$secondaryArchSuffix = 6.0.4 compat >= 6
 	cmd:pi$secondaryArchSuffix = $portVersion
 	"
 REQUIRES="
@@ -31,7 +31,7 @@ REQUIRES="
 
 PROVIDES_devel="
 	cln${secondaryArchSuffix}_devel = $portVersion
-	devel:libcln$secondaryArchSuffix = $portVersion
+	devel:libcln$secondaryArchSuffix = 6.0.4 compat >= 6
 	"
 REQUIRES_devel="
 	libcln$secondaryArchSuffix == $portVersion
diff --git a/sci-mathematics/ginac/ginac-1.6.5.recipe b/sci-mathematics/ginac/ginac-1.6.5.recipe
index 30d4197de..4f6a858d6 100644
--- a/sci-mathematics/ginac/ginac-1.6.5.recipe
+++ b/sci-mathematics/ginac/ginac-1.6.5.recipe
@@ -16,7 +16,7 @@ SECONDARY_ARCHITECTURES="x86"
 
 PROVIDES="
 	ginac$secondaryArchSuffix = $portVersion
-	lib:libginac$secondaryArchSuffix = $portVersion
+	lib:libginac$secondaryArchSuffix = 5.0.1 compat >= 5
 	cmd:ginac_excompiler$secondaryArchSuffix = $portVersion
 	cmd:ginsh$secondaryArchSuffix = $portVersion
 	cmd:viewgar$secondaryArchSuffix = $portVersion
@@ -29,7 +29,7 @@ REQUIRES="
 
 PROVIDES_devel="
 	ginac${secondaryArchSuffix}_devel = $portVersion
-	devel:libginac$secondaryArchSuffix = $portVersion
+	devel:libginac$secondaryArchSuffix = 5.0.1 compat >= 5
 	"
 REQUIRES_devel="
 	ginac$secondaryArchSuffix == $portVersion