diff --git a/spec/std/json/any_spec.cr b/spec/std/json/any_spec.cr
index 6601a53378bd..95f7425f2ed4 100644
--- a/spec/std/json/any_spec.cr
+++ b/spec/std/json/any_spec.cr
@@ -3,6 +3,19 @@ require "json"
 require "yaml"
 
 describe JSON::Any do
+  it ".new" do
+    JSON::Any.new(nil).raw.should be_nil
+    JSON::Any.new(true).raw.should eq true
+    JSON::Any.new(1_i64).raw.should eq 1_i64
+    JSON::Any.new(1).raw.should eq 1
+    JSON::Any.new(1_u8).raw.should eq 1
+    JSON::Any.new(0.0).raw.should eq 0.0
+    JSON::Any.new(0.0_f32).raw.should eq 0.0
+    JSON::Any.new("foo").raw.should eq "foo"
+    JSON::Any.new([] of JSON::Any).raw.should eq [] of JSON::Any
+    JSON::Any.new({} of String => JSON::Any).raw.should eq({} of String => JSON::Any)
+  end
+
   describe "casts" do
     it "gets nil" do
       JSON.parse("null").as_nil.should be_nil
diff --git a/spec/std/yaml/any_spec.cr b/spec/std/yaml/any_spec.cr
index ffab8f14babc..1eedb5e4366b 100644
--- a/spec/std/yaml/any_spec.cr
+++ b/spec/std/yaml/any_spec.cr
@@ -89,6 +89,22 @@ private def it_fetches_from_hash?(key, *equivalent_keys)
 end
 
 describe YAML::Any do
+  it ".new" do
+    YAML::Any.new(nil).raw.should be_nil
+    YAML::Any.new(true).raw.should eq true
+    YAML::Any.new(1_i64).raw.should eq 1_i64
+    YAML::Any.new(1).raw.should eq 1
+    YAML::Any.new(1_u8).raw.should eq 1
+    YAML::Any.new(0.0).raw.should eq 0.0
+    YAML::Any.new(0.0_f32).raw.should eq 0.0
+    YAML::Any.new("foo").raw.should eq "foo"
+    YAML::Any.new(Time.utc(2023, 7, 2)).raw.should eq Time.utc(2023, 7, 2)
+    YAML::Any.new(Bytes[1, 2, 3]).raw.should eq Bytes[1, 2, 3]
+    YAML::Any.new([] of YAML::Any).raw.should eq [] of YAML::Any
+    YAML::Any.new({} of YAML::Any => YAML::Any).raw.should eq({} of YAML::Any => YAML::Any)
+    YAML::Any.new(Set(YAML::Any).new).raw.should eq Set(YAML::Any).new
+  end
+
   describe "casts" do
     it "gets nil" do
       YAML.parse("").as_nil.should be_nil
diff --git a/src/json/any.cr b/src/json/any.cr
index d64b7859bc53..057fd54e737d 100644
--- a/src/json/any.cr
+++ b/src/json/any.cr
@@ -57,6 +57,18 @@ struct JSON::Any
   def initialize(@raw : Type)
   end
 
+  # :ditto:
+  def self.new(raw : Int)
+    # FIXME: Workaround for https://github.com/crystal-lang/crystal/issues/11645
+    new(raw.to_i64)
+  end
+
+  # :ditto:
+  def self.new(raw : Float)
+    # FIXME: Workaround for https://github.com/crystal-lang/crystal/issues/11645
+    new(raw.to_f64)
+  end
+
   # Assumes the underlying value is an `Array` or `Hash` and returns its size.
   # Raises if the underlying value is not an `Array` or `Hash`.
   def size : Int
diff --git a/src/yaml/any.cr b/src/yaml/any.cr
index 1518623efd5f..745662282dd7 100644
--- a/src/yaml/any.cr
+++ b/src/yaml/any.cr
@@ -66,6 +66,18 @@ struct YAML::Any
   def initialize(@raw : Type)
   end
 
+  # :ditto:
+  def self.new(raw : Int)
+    # FIXME: Workaround for https://github.com/crystal-lang/crystal/issues/11645
+    new(raw.to_i64)
+  end
+
+  # :ditto:
+  def self.new(raw : Float)
+    # FIXME: Workaround for https://github.com/crystal-lang/crystal/issues/11645
+    new(raw.to_f64)
+  end
+
   # Assumes the underlying value is an `Array` or `Hash` and returns its size.
   #
   # Raises if the underlying value is not an `Array` or `Hash`.