diff --git a/src/utils/ast.jl b/src/utils/ast.jl
index e8c346b..b4c2e57 100644
--- a/src/utils/ast.jl
+++ b/src/utils/ast.jl
@@ -142,7 +142,7 @@ function after(visitor::ASTVisitor, node)
     return pop!(visitor.result_stack) # either a QuerySet or nothing
 end
 
-function _visit(visitor::ASTVisitor, ::Type{QuerySet}, node::Dict{String,Any})
+function _visit(visitor::ASTVisitor, ::Type{QuerySet}, node::AbstractDict)
     if haskey(node, "queries") && length(node["queries"]) > 0
         data = node["queries"]
         N = length(data)
diff --git a/test/runtests.jl b/test/runtests.jl
index 97f2f0e..3d0bfbd 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -91,11 +91,11 @@ function test_config_api(openapi_client)
     @test length(services) == 1
     @test services[1]["name"] == "BundleServiceAPI"
 
-    @test haskey(result, "bundles") && isa(result["bundles"], Dict)
+    @test haskey(result, "bundles") && isa(result["bundles"], AbstractDict)
     bundles = result["bundles"]
     @test Set(keys(bundles)) == Set(["data", "policies"])
 
-    @test haskey(result, "keys") && isa(result["keys"], Dict)
+    @test haskey(result, "keys") && isa(result["keys"], AbstractDict)
     bundle_keys = result["keys"]
     @test haskey(bundle_keys, "bundle_key")
     @test haskey(bundle_keys["bundle_key"], "algorithm")
diff --git a/test/sql_translate.jl b/test/sql_translate.jl
index 10395e7..bff08c7 100644
--- a/test/sql_translate.jl
+++ b/test/sql_translate.jl
@@ -267,7 +267,7 @@ function to_sql(queryset::QuerySet)
     end
 end
 
-function translate(result::Dict{String, Any})
+function translate(result::AbstractDict)
     if haskey(result, "queries") && length(result["queries"]) > 0
         return to_sql(from_data(QuerySet, result["queries"]))
     else