diff --git a/Gemfile.lock b/Gemfile.lock
index e7366a614d..51e57e246d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -258,17 +258,15 @@ GEM
       rspec (>= 2.99.0, < 4.0)
     hashdiff (1.0.1)
     hashie (4.1.0)
-    http (4.4.1)
-      addressable (~> 2.3)
+    http (5.0.4)
+      addressable (~> 2.8)
       http-cookie (~> 1.0)
       http-form_data (~> 2.2)
-      http-parser (~> 1.2.0)
+      llhttp-ffi (~> 0.4.0)
     http-accept (1.7.0)
-    http-cookie (1.0.3)
+    http-cookie (1.0.4)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
-    http-parser (1.2.1)
-      ffi-compiler (>= 1.0, < 2.0)
     http_accept_language (2.1.1)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
@@ -301,6 +299,9 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
+    llhttp-ffi (0.4.0)
+      ffi-compiler (~> 1.0)
+      rake (~> 13.0)
     lodash-rails (4.17.15)
       railties (>= 3.1)
     lograge (0.11.2)
@@ -593,7 +594,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.7)
+    unf_ext (0.0.8)
     unicode-display_width (2.0.0)
     uuidtools (2.1.5)
     view_component (2.24.0)
diff --git a/app/services/exotel_api_service.rb b/app/services/exotel_api_service.rb
index 2715f00510..3e1ee26c54 100644
--- a/app/services/exotel_api_service.rb
+++ b/app/services/exotel_api_service.rb
@@ -78,7 +78,7 @@ def execute_post(url, data)
   def parse_response(response)
     return unless response.status.ok?
 
-    JSON.parse(response, symbolize_names: true)
+    response.parse(:json).deep_symbolize_keys
   end
 
   def base_uri
diff --git a/spec/jobs/automatic_phone_number_whitelisting_worker_spec.rb b/spec/jobs/automatic_phone_number_whitelisting_worker_spec.rb
index 38fac4c686..7ca4c17bb2 100644
--- a/spec/jobs/automatic_phone_number_whitelisting_worker_spec.rb
+++ b/spec/jobs/automatic_phone_number_whitelisting_worker_spec.rb
@@ -21,7 +21,7 @@
       "Connection" => "close",
       "Host" => "api.exotel.com",
       "Content-Type" => "application/x-www-form-urlencoded",
-      "User-Agent" => "http.rb/4.4.1"
+      "User-Agent" => "http.rb/#{HTTP::VERSION}"
     }
   end
   let!(:stub) do
diff --git a/spec/jobs/update_phone_number_details_worker_spec.rb b/spec/jobs/update_phone_number_details_worker_spec.rb
index d1bb579211..8d1c3daac4 100644
--- a/spec/jobs/update_phone_number_details_worker_spec.rb
+++ b/spec/jobs/update_phone_number_details_worker_spec.rb
@@ -16,7 +16,7 @@
       "Authorization" => "Basic #{auth_token}",
       "Connection" => "close",
       "Host" => "api.exotel.com",
-      "User-Agent" => "http.rb/4.4.1"
+      "User-Agent" => "http.rb/#{HTTP::VERSION}"
     }
   end
 
diff --git a/spec/services/exotel_api_service_spec.rb b/spec/services/exotel_api_service_spec.rb
index 18a272ea11..7280c2b1b4 100644
--- a/spec/services/exotel_api_service_spec.rb
+++ b/spec/services/exotel_api_service_spec.rb
@@ -10,10 +10,16 @@
       "Authorization" => "Basic #{auth_token}",
       "Connection" => "close",
       "Host" => "api.exotel.com",
-      "User-Agent" => "http.rb/4.4.1"
+      "User-Agent" => "http.rb/#{HTTP::VERSION}"
     }
   end
 
+  around do |example|
+    WebMock.disallow_net_connect!
+    example.run
+    WebMock.allow_net_connect!
+  end
+
   describe "#call_details" do
     let!(:call_details_200) { File.read("spec/support/fixtures/call_details_200.json") }
     let!(:call_details_400) { File.read("spec/support/fixtures/call_details_400.json") }
@@ -27,7 +33,7 @@
         "Authorization" => "Basic #{auth_token}",
         "Connection" => "close",
         "Host" => "api.exotel.com",
-        "User-Agent" => "http.rb/4.4.1"
+        "User-Agent" => "http.rb/#{HTTP::VERSION}"
       }
     end
 
@@ -35,10 +41,11 @@
       stub_request(:get, request_url).with(headers: request_headers).to_return(status: 200,
                                                                                body: call_details_200,
                                                                                headers: {})
+      response = described_class.new(sid, token).call_details(call_sid)
 
-      expected_call_details_response = described_class.new(sid, token).call_details(call_sid)
-
-      expect(expected_call_details_response[:Call].keys).to eq(%i[Sid
+      expect(response[:Call][:From]).to eq("09663127355")
+      expect(response[:Call][:To]).to eq("01930483621")
+      expect(response[:Call].keys).to eq(%i[Sid
         ParentCallSid
         DateCreated
         DateUpdated