diff --git a/providers/openfeature-flagd-provider/Gemfile.lock b/providers/openfeature-flagd-provider/Gemfile.lock
index 23f1f95..72b9fc7 100644
--- a/providers/openfeature-flagd-provider/Gemfile.lock
+++ b/providers/openfeature-flagd-provider/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     openfeature-flagd-provider (0.0.1)
       grpc (~> 1.50)
-      openfeature-sdk (~> 0.3)
+      openfeature-sdk (~> 0.3.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/providers/openfeature-flagd-provider/lib/openfeature/flagd/provider/client.rb b/providers/openfeature-flagd-provider/lib/openfeature/flagd/provider/client.rb
index 16f7acc..3bd5b27 100644
--- a/providers/openfeature-flagd-provider/lib/openfeature/flagd/provider/client.rb
+++ b/providers/openfeature-flagd-provider/lib/openfeature/flagd/provider/client.rb
@@ -47,12 +47,7 @@ def fetch_boolean_value(flag_key:, default_value:, evaluation_context: nil)
         end
 
         def fetch_number_value(flag_key:, default_value:, evaluation_context: nil)
-          case default_value
-          when Integer
-            fetch_integer_value(flag_key: flag_key, default_value: default_value, evaluation_context: evaluation_context)
-          when Float
-            fetch_float_value(flag_key: flag_key, default_value: default_value, evaluation_context: evaluation_context)
-          end
+          raise "fetch_number_value is not supported by flagd"
         end
 
         def fetch_integer_value(flag_key:, default_value:, evaluation_context: nil)
diff --git a/providers/openfeature-flagd-provider/openfeature-flagd-provider.gemspec b/providers/openfeature-flagd-provider/openfeature-flagd-provider.gemspec
index 50ba9fe..62e34d8 100644
--- a/providers/openfeature-flagd-provider/openfeature-flagd-provider.gemspec
+++ b/providers/openfeature-flagd-provider/openfeature-flagd-provider.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "grpc", "~> 1.50"
-  spec.add_runtime_dependency "openfeature-sdk", "~> 0.3"
+  spec.add_runtime_dependency "openfeature-sdk", "~> 0.3.1"
 
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.12.0"
diff --git a/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider/client_spec.rb b/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider/client_spec.rb
index c0ecfb8..8761934 100644
--- a/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider/client_spec.rb
+++ b/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider/client_spec.rb
@@ -36,6 +36,10 @@
       )
     end
 
+    it do
+      expect { client.fetch_number_value(flag_key: "integer-flag", default_value: 1) }.to raise_error(StandardError)
+    end
+
     it do
       expect(client.fetch_integer_value(flag_key: "integer-flag", default_value: 1).to_h).to include(
         error_code: nil,
diff --git a/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider_spec.rb b/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider_spec.rb
index df68ccf..6487310 100644
--- a/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider_spec.rb
+++ b/providers/openfeature-flagd-provider/spec/openfeature/flagd/provider_spec.rb
@@ -94,11 +94,11 @@
       end
 
       it do
-        expect(client.fetch_number_value(flag_key: "integer-flag", default_value: 1)).to eq(42)
+        expect(client.fetch_integer_value(flag_key: "integer-flag", default_value: 1)).to eq(42)
       end
 
       it do
-        expect(client.fetch_number_value(flag_key: "float-flag", default_value: 1.1)).to eq(4.2)
+        expect(client.fetch_float_value(flag_key: "float-flag", default_value: 1.1)).to eq(4.2)
       end
 
       it do
@@ -149,7 +149,7 @@
       end
 
       it do
-        expect(client.fetch_number_details(flag_key: "integer-flag", default_value: 1).resolution_details.to_h).to include(
+        expect(client.fetch_integer_details(flag_key: "integer-flag", default_value: 1).resolution_details.to_h).to include(
           error_code: nil,
           error_message: nil,
           reason: "STATIC",
@@ -159,7 +159,7 @@
       end
 
       it do
-        expect(client.fetch_number_details(flag_key: "float-flag", default_value: 1.1).resolution_details.to_h).to include(
+        expect(client.fetch_float_details(flag_key: "float-flag", default_value: 1.1).resolution_details.to_h).to include(
           error_code: nil,
           error_message: nil,
           reason: "STATIC",