diff --git a/src/en/mangademon/CHANGELOG.md b/src/en/mangademon/CHANGELOG.md
new file mode 100644
index 000000000..30ef52390
--- /dev/null
+++ b/src/en/mangademon/CHANGELOG.md
@@ -0,0 +1,40 @@
+# 1.4.6
+
+### Fix
+
+* Refresh URL suffix when required
+
+# 1.4.5
+
+### Features
+
+* Dynamically update URL suffix
+
+# 1.4.4
+
+### Features
+
+* Filters
+
+### Fix
+
+* Update base URL
+
+# 1.4.3
+
+### Fix
+
+* Update selector
+
+# 1.4.2
+
+### Fix
+
+* Fetch all chapter images
+* Use GET on search, same as site
+
+# 1.4.1
+
+### Features
+
+* First version
diff --git a/src/en/mangademon/build.gradle b/src/en/mangademon/build.gradle
index f57fedf23..1098a1eac 100644
--- a/src/en/mangademon/build.gradle
+++ b/src/en/mangademon/build.gradle
@@ -5,7 +5,7 @@ ext {
     extName = 'Manga Demon'
     pkgNameSuffix = 'en.mangademon'
     extClass = '.MangaDemon'
-    extVersionCode = 5
+    extVersionCode = 6
     isNsfw = false
 }
 
diff --git a/src/en/mangademon/src/eu/kanade/tachiyomi/extension/en/mangademon/MangaDemon.kt b/src/en/mangademon/src/eu/kanade/tachiyomi/extension/en/mangademon/MangaDemon.kt
index 7c1b9777f..dd674ac17 100644
--- a/src/en/mangademon/src/eu/kanade/tachiyomi/extension/en/mangademon/MangaDemon.kt
+++ b/src/en/mangademon/src/eu/kanade/tachiyomi/extension/en/mangademon/MangaDemon.kt
@@ -18,6 +18,7 @@ import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
 import rx.Observable
+import java.io.IOException
 import java.net.URLEncoder
 import java.text.SimpleDateFormat
 import java.util.Locale
@@ -34,16 +35,28 @@ class MangaDemon : ParsedHttpSource() {
         .addInterceptor(::dynamicUrlInterceptor)
         .build()
 
-    private var dynamicUrlSuffix: String? = null
+    // Cache suffix
+    private var dynamicUrlSuffix = ""
+    private var dynamicUrlSuffixUpdated: Long = 0
+    private val dynamicUrlSuffixValidity: Long = 10 * 60 // 10 minutes
 
     private fun dynamicUrlInterceptor(chain: Interceptor.Chain): Response {
         val request = chain.request()
+        val timeNow = System.currentTimeMillis() / 1000
 
         // Check if request requires an up-to-date suffix
-        if (request.url.pathSegments[0] == "manga" && dynamicUrlSuffix != null) {
+        if (request.url.pathSegments[0] == "manga") {
+            // Force update suffix if required
+            if (timeNow - dynamicUrlSuffixUpdated > dynamicUrlSuffixValidity) {
+                client.newCall(GET(baseUrl)).execute()
+                if (timeNow - dynamicUrlSuffixUpdated > dynamicUrlSuffixValidity) {
+                    throw IOException("Failed to update dynamic url suffix")
+                }
+            }
+
             val newPath = request.url
                 .encodedPath
-                .replaceAfterLast("-", dynamicUrlSuffix!!)
+                .replaceAfterLast("-", dynamicUrlSuffix)
 
             val newUrl = request.url.newBuilder()
                 .encodedPath(newPath)
@@ -56,12 +69,8 @@ class MangaDemon : ParsedHttpSource() {
             return chain.proceed(newRequest)
         }
 
+        // Always update suffix
         val response = chain.proceed(request)
-        if (dynamicUrlSuffix != null) {
-            return response
-        }
-
-        // Don't have suffix, get it from the page
         val document = Jsoup.parse(
             response.peekBody(Long.MAX_VALUE).string(),
             request.url.toString(),
@@ -77,6 +86,7 @@ class MangaDemon : ParsedHttpSource() {
 
         if (suffix != null) {
             dynamicUrlSuffix = suffix
+            dynamicUrlSuffixUpdated = timeNow
         }
 
         return response