diff --git a/lib/linear/mutations.rb b/lib/linear/mutations.rb
index 5f34e602b..1935ba478 100644
--- a/lib/linear/mutations.rb
+++ b/lib/linear/mutations.rb
@@ -2,13 +2,10 @@ module Linear::Mutations
   def self.graphql_value(value)
     case value
     when String
-      # Strings must be enclosed in double quotes
-      "\"#{value.gsub("\n", '\\n')}\""
+      value.to_json
     when Array
-      # Arrays need to be recursively converted
       "[#{value.map { |v| graphql_value(v) }.join(', ')}]"
     else
-      # Other types (numbers, booleans) can be directly converted to strings
       value.to_s
     end
   end
@@ -47,7 +44,7 @@ module Linear::Mutations
 
     <<~GRAPHQL
       mutation {
-        attachmentLinkURL(url: "#{link}", issueId: "#{issue_id}", title: "#{title}"#{user_params_str}) {
+        attachmentLinkURL(url: #{graphql_value(link)}, issueId: #{graphql_value(issue_id)}, title: #{graphql_value(title)}#{user_params_str}) {
           success
           attachment {
             id
diff --git a/lib/linear/queries.rb b/lib/linear/queries.rb
index 54daaf30c..cc705625e 100644
--- a/lib/linear/queries.rb
+++ b/lib/linear/queries.rb
@@ -48,7 +48,7 @@ module Linear::Queries
   def self.search_issue(term)
     <<~GRAPHQL
       query {
-        searchIssues(term: "#{term}") {
+        searchIssues(term: #{Linear::Mutations.graphql_value(term)}) {
           nodes {
             id
             title
diff --git a/spec/lib/linear_spec.rb b/spec/lib/linear_spec.rb
index e15f64382..65c7cb664 100644
--- a/spec/lib/linear_spec.rb
+++ b/spec/lib/linear_spec.rb
@@ -93,6 +93,30 @@ describe Linear do
     end
     let(:user) { instance_double(User, name: 'John Doe', avatar_url: 'https://example.com/avatar.jpg') }
 
+    context 'when description contains double quotes' do
+      it 'produces valid GraphQL by escaping the quotes' do
+        allow(linear_client).to receive(:post) do |payload|
+          expect(payload[:query]).to include('description: "the sender is \\"Bot\\"')
+          instance_double(HTTParty::Response, success?: true,
+                                              parsed_response: { 'data' => { 'issueCreate' => { 'id' => 'issue1', 'title' => 'Title' } } })
+        end
+
+        linear_client.create_issue(params.merge(description: 'the sender is "Bot"'))
+      end
+    end
+
+    context 'when description contains backslashes' do
+      it 'produces valid GraphQL by escaping the backslashes' do
+        allow(linear_client).to receive(:post) do |payload|
+          expect(payload[:query]).to include('description: "path\\\\to\\\\file"')
+          instance_double(HTTParty::Response, success?: true,
+                                              parsed_response: { 'data' => { 'issueCreate' => { 'id' => 'issue1', 'title' => 'Title' } } })
+        end
+
+        linear_client.create_issue(params.merge(description: 'path\\to\\file'))
+      end
+    end
+
     context 'when the API response is success' do
       before do
         stub_request(:post, url)
@@ -213,6 +237,18 @@ describe Linear do
     let(:title) { 'Title' }
     let(:user) { instance_double(User, name: 'John Doe', avatar_url: 'https://example.com/avatar.jpg') }
 
+    context 'when title contains double quotes' do
+      it 'produces valid GraphQL by escaping the quotes' do
+        allow(linear_client).to receive(:post) do |payload|
+          expect(payload[:query]).to include('title: "say \\"hello\\"')
+          instance_double(HTTParty::Response, success?: true,
+                                              parsed_response: { 'data' => { 'attachmentLinkURL' => { 'id' => 'attachment1' } } })
+        end
+
+        linear_client.link_issue(link, issue_id, 'say "hello"')
+      end
+    end
+
     context 'when the API response is success' do
       before do
         stub_request(:post, url)
@@ -332,6 +368,18 @@ describe Linear do
   context 'when querying issues' do
     let(:term) { 'term' }
 
+    context 'when search term contains double quotes' do
+      it 'produces valid GraphQL by escaping the quotes' do
+        allow(linear_client).to receive(:post) do |payload|
+          expect(payload[:query]).to include('term: "find \\"Bot\\"')
+          instance_double(HTTParty::Response, success?: true,
+                                              parsed_response: { 'data' => { 'searchIssues' => { 'nodes' => [] } } })
+        end
+
+        linear_client.search_issue('find "Bot"')
+      end
+    end
+
     context 'when the API response is success' do
       before do
         stub_request(:post, url)