diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d6d271..1568a71 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,12 +11,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.6', '1']  # Test against LTS and current minor release
+        version: ['1.10', '1']  # Test against LTS and current minor release
         os: [ubuntu-latest, macOS-latest, windows-latest]
         arch: [x64]
         include:
           # Also test against 32-bit Linux on LTS.
-          - version: '1.6'
+          - version: '1.10'
             os: ubuntu-latest
             arch: x86
     steps:
diff --git a/Project.toml b/Project.toml
index 09f448e..88aad14 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,15 +1,20 @@
 name = "JSONSchema"
 uuid = "7d188eb4-7ad8-530c-ae41-71a32a6d4692"
-version = "1.4.1"
+version = "1.5.0"
 
 [deps]
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
-JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
 URIs = "5c2747f8-b7ea-4ff2-ba2e-563bfd36b1d4"
 
+[weakdeps]
+JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
+
+[extensions]
+JSONSchemaJSON3Ext = "JSON3"
+
 [compat]
 JSON = "0.21"
 JSON3 = "1"
 URIs = "1"
-julia = "1.6"
+julia = "1.9"
diff --git a/ext/JSONSchemaJSON3Ext.jl b/ext/JSONSchemaJSON3Ext.jl
new file mode 100644
index 0000000..07cbb3b
--- /dev/null
+++ b/ext/JSONSchemaJSON3Ext.jl
@@ -0,0 +1,38 @@
+# Copyright (c) 2018: fredo-dedup and contributors
+#
+# Use of this source code is governed by an MIT-style license that can be found
+# in the LICENSE.md file or at https://opensource.org/licenses/MIT.
+
+module JSONSchemaJSON3Ext
+
+import JSONSchema
+import JSON3
+
+_to_base_julia(x) = x
+
+_to_base_julia(x::JSON3.Array) = _to_base_julia.(x)
+
+# This method unintentionally allows JSON3.Object{Symbol,Any} objects as both
+# data and the schema because it converts to Dict{String,Any}. Because we don't
+# similarly convert Base.Dict, Dict{Symbol,Any} results in errors. This can be
+# confusing to users.
+#
+# We can't make this method more restrictive because that would break backwards
+# compatibility. For more details, see:
+# https://github.com/fredo-dedup/JSONSchema.jl/issues/62
+function _to_base_julia(x::JSON3.Object)
+    return Dict{String,Any}(string(k) => _to_base_julia(v) for (k, v) in x)
+end
+
+function JSONSchema.validate(
+    schema::JSONSchema.Schema,
+    x::Union{JSON3.Object,JSON3.Array},
+)
+    return JSONSchema.validate(schema, _to_base_julia(x))
+end
+
+function JSONSchema.Schema(schema::JSON3.Object; kwargs...)
+    return JSONSchema.Schema(_to_base_julia(schema); kwargs...)
+end
+
+end
diff --git a/src/JSONSchema.jl b/src/JSONSchema.jl
index 7107393..1fec843 100644
--- a/src/JSONSchema.jl
+++ b/src/JSONSchema.jl
@@ -7,7 +7,6 @@ module JSONSchema
 
 import Downloads
 import JSON
-import JSON3
 import URIs
 
 export Schema, validate
diff --git a/src/schema.jl b/src/schema.jl
index c7e2406..2e36033 100644
--- a/src/schema.jl
+++ b/src/schema.jl
@@ -225,15 +225,6 @@ function build_id_map!(
     return
 end
 
-# Turning JSON3 read files in to base Julia dicts with string keys
-_to_base_julia(x) = x
-
-_to_base_julia(x::JSON3.Array) = _to_base_julia.(x)
-
-function _to_base_julia(x::JSON3.Object)
-    return Dict{String,Any}(string(k) => _to_base_julia(v) for (k, v) in x)
-end
-
 """
     Schema(schema::AbstractDict; parent_dir::String = abspath("."))
 
@@ -303,8 +294,4 @@ my_schema = Schema(
 """
 Schema(schema::String; kwargs...) = Schema(JSON.parse(schema); kwargs...)
 
-function Schema(schema::JSON3.Object; kwargs...)
-    return Schema(_to_base_julia(schema); kwargs...)
-end
-
 Base.show(io::IO, ::Schema) = print(io, "A JSONSchema")
diff --git a/src/validation.jl b/src/validation.jl
index 0e2bb96..ad5d6b1 100644
--- a/src/validation.jl
+++ b/src/validation.jl
@@ -69,10 +69,6 @@ function validate(schema::Schema, x)
     return _validate(x, schema.data, "")
 end
 
-function validate(schema::Schema, x::Union{JSON3.Object,JSON3.Array})
-    return validate(schema, _to_base_julia(x))
-end
-
 Base.isvalid(schema::Schema, x) = validate(schema, x) === nothing
 
 # Fallbacks for the opposite argument.
diff --git a/test/Project.toml b/test/Project.toml
index c8eeec0..4d06c99 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -13,4 +13,4 @@ JSON = "0.21"
 JSON3 = "1"
 OrderedCollections = "1"
 ZipFile = "0.8, 0.9, 0.10"
-julia = "1.6"
+julia = "1.9"