diff --git a/var/spack/repos/builtin/packages/sfcgal/package.py b/var/spack/repos/builtin/packages/sfcgal/package.py
index 021ba1bb97..c1e80174e0 100644
--- a/var/spack/repos/builtin/packages/sfcgal/package.py
+++ b/var/spack/repos/builtin/packages/sfcgal/package.py
@@ -20,8 +20,8 @@ class Sfcgal(CMakePackage):
     version('1.3.7', sha256='30ea1af26cb2f572c628aae08dd1953d80a69d15e1cac225390904d91fce031b')
 
     # Ref: http://oslandia.github.io/SFCGAL/installation.html
-    depends_on('cgal@4.3 +core')
-    depends_on('boost@1.54.0:1.69.0')
+    depends_on('cgal@4.3: +core')
+    depends_on('boost@1.54.0:')
     depends_on('mpfr@2.2.1:')
     depends_on('gmp@4.2:')