diff --git a/src/NCDatasets.jl b/src/NCDatasets.jl
index ccb1863b..a5f69475 100644
--- a/src/NCDatasets.jl
+++ b/src/NCDatasets.jl
@@ -35,8 +35,8 @@ import CommonDataModel: AbstractDataset, AbstractVariable,
     CFtransformdata!,
     CFVariable, variable, cfvariable, defVar, load!,
     path, name, isopen, unlimited, dataset,
-    groupname, groupnames, group, defGroup,
-    dimnames, dim, defDim,
+    groupname, groupnames, group, defGroup, Groups,
+    dimnames, dim, defDim, Dimensions,
     attribnames, attrib, defAttrib, delAttrib, Attributes,
     varbyattrib, CFStdName, @CF_str, ancillaryvariables, filter, coord, bounds,
     MFDataset, MFCFVariable,