diff --git a/app-doc/doxygen/doxygen-1.8.17-r1.ebuild b/app-doc/doxygen/doxygen-1.8.17-r1.ebuild
index 20cd6cf931227..bc9e59e0959e7 100644
--- a/app-doc/doxygen/doxygen-1.8.17-r1.ebuild
+++ b/app-doc/doxygen/doxygen-1.8.17-r1.ebuild
@@ -27,7 +27,7 @@ RDEPEND="app-text/ghostscript-gpl
 	dev-lang/perl
 	media-libs/libpng:0=
 	virtual/libiconv
-	clang? ( sys-devel/clang:= )
+	clang? ( >=sys-devel/clang-10:= )
 	dot? (
 		media-gfx/graphviz
 		media-libs/freetype
diff --git a/app-doc/doxygen/doxygen-1.8.20.ebuild b/app-doc/doxygen/doxygen-1.8.20.ebuild
index ebf62066ad588..bbf47a22a6c91 100644
--- a/app-doc/doxygen/doxygen-1.8.20.ebuild
+++ b/app-doc/doxygen/doxygen-1.8.20.ebuild
@@ -27,7 +27,7 @@ RDEPEND="app-text/ghostscript-gpl
 	dev-lang/perl
 	media-libs/libpng:0=
 	virtual/libiconv
-	clang? ( sys-devel/clang:= )
+	clang? ( >=sys-devel/clang-10:= )
 	dot? (
 		media-gfx/graphviz
 		media-libs/freetype
diff --git a/app-doc/doxygen/doxygen-9999.ebuild b/app-doc/doxygen/doxygen-9999.ebuild
index 0e657c1e3f45c..3217e3c066021 100644
--- a/app-doc/doxygen/doxygen-9999.ebuild
+++ b/app-doc/doxygen/doxygen-9999.ebuild
@@ -27,7 +27,7 @@ RDEPEND="app-text/ghostscript-gpl
 	dev-lang/perl
 	media-libs/libpng:0=
 	virtual/libiconv
-	clang? ( >=sys-devel/clang-4.0.0:= )
+	clang? ( >=sys-devel/clang-10:= )
 	dot? (
 		media-gfx/graphviz
 		media-libs/freetype