diff --git a/docx-core/src/documents/elements/based_on.rs b/docx-core/src/documents/elements/based_on.rs
index 60b6a90..dbba3e7 100644
--- a/docx-core/src/documents/elements/based_on.rs
+++ b/docx-core/src/documents/elements/based_on.rs
@@ -1,6 +1,7 @@
 use serde::{Serialize, Serializer};
 
 use crate::documents::BuildXML;
+use crate::escape::escape;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone, PartialEq)]
@@ -10,7 +11,9 @@ pub struct BasedOn {
 
 impl BasedOn {
     pub fn new(val: impl Into<String>) -> BasedOn {
-        BasedOn { val: val.into() }
+        BasedOn {
+            val: escape(&val.into()),
+        }
     }
 }
 
diff --git a/docx-core/src/documents/elements/link.rs b/docx-core/src/documents/elements/link.rs
index 9889455..73be4f5 100644
--- a/docx-core/src/documents/elements/link.rs
+++ b/docx-core/src/documents/elements/link.rs
@@ -1,6 +1,7 @@
 use serde::{Serialize, Serializer};
 
 use crate::documents::BuildXML;
+use crate::escape::escape;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone, PartialEq)]
@@ -10,7 +11,9 @@ pub struct Link {
 
 impl Link {
     pub fn new(val: impl Into<String>) -> Link {
-        Link { val: val.into() }
+        Link {
+            val: escape(&val.into()),
+        }
     }
 }
 
diff --git a/docx-core/src/documents/elements/paragraph_style.rs b/docx-core/src/documents/elements/paragraph_style.rs
index 31cceba..49c06ae 100644
--- a/docx-core/src/documents/elements/paragraph_style.rs
+++ b/docx-core/src/documents/elements/paragraph_style.rs
@@ -1,6 +1,7 @@
 use serde::{Serialize, Serializer};
 
 use crate::documents::BuildXML;
+use crate::escape::escape;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone, PartialEq)]
@@ -25,7 +26,9 @@ impl Default for ParagraphStyle {
 impl ParagraphStyle {
     pub fn new(val: Option<impl Into<String>>) -> ParagraphStyle {
         if let Some(v) = val {
-            ParagraphStyle { val: v.into() }
+            ParagraphStyle {
+                val: escape(&v.into()),
+            }
         } else {
             Default::default()
         }
diff --git a/docx-core/src/documents/elements/run_style.rs b/docx-core/src/documents/elements/run_style.rs
index 0f69c05..6741777 100644
--- a/docx-core/src/documents/elements/run_style.rs
+++ b/docx-core/src/documents/elements/run_style.rs
@@ -1,6 +1,7 @@
 use serde::{Serialize, Serializer};
 
 use crate::documents::BuildXML;
+use crate::escape::escape;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone, PartialEq)]
@@ -18,7 +19,9 @@ impl Default for RunStyle {
 
 impl RunStyle {
     pub fn new(val: impl Into<String>) -> RunStyle {
-        RunStyle { val: val.into() }
+        RunStyle {
+            val: escape(&val.into()),
+        }
     }
 }
 
diff --git a/docx-core/src/documents/elements/style.rs b/docx-core/src/documents/elements/style.rs
index 8eb53a9..d4bd3f1 100644
--- a/docx-core/src/documents/elements/style.rs
+++ b/docx-core/src/documents/elements/style.rs
@@ -1,6 +1,7 @@
 use serde::Serialize;
 
 use crate::documents::BuildXML;
+use crate::escape::escape;
 use crate::types::*;
 use crate::xml_builder::*;
 use crate::StyleType;
@@ -47,7 +48,7 @@ impl Style {
     pub fn new(style_id: impl Into<String>, style_type: StyleType) -> Self {
         let default = Default::default();
         Style {
-            style_id: style_id.into(),
+            style_id: escape(&style_id.into()),
             style_type,
             ..default
         }
diff --git a/docx-wasm/package.json b/docx-wasm/package.json
index 9d2e17b..1814bcd 100644
--- a/docx-wasm/package.json
+++ b/docx-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docx-wasm",
-  "version": "0.4.18-rc16",
+  "version": "0.4.18-rc18",
   "main": "dist/node/index.js",
   "browser": "dist/web/index.js",
   "author": "bokuweb <bokuweb12@gmail.com>",