diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65a4a094b..451484ce7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,11 @@ Group changes to describe their impact on the project, as follows:
     Fixed for any bug fixes.
     Security to invite users to upgrade in case of vulnerabilities.
 
+## [4.5.5] - 2021-10-28
+
+### Changed
+- SDK updated to 5.0.45
+
 ## [4.5.4] - 2021-10-19
 
 ### Changed
diff --git a/app/build.gradle b/app/build.gradle
index 92703ed67..7ba106290 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -29,7 +29,7 @@ if (crashlyticsEnabled()) {
 
 def gitBranch = new ByteArrayOutputStream()
 task getGitVersion() {
-    def gitVersion = "4.5.4"
+    def gitVersion = "4.5.5"
     def gitVersionStream = new ByteArrayOutputStream()
     def gitCommitsCount = new ByteArrayOutputStream()
     def gitCommitHash = new ByteArrayOutputStream()
@@ -89,7 +89,7 @@ android {
     defaultConfig {
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 4540
+        versionCode 4550
         versionName "${project.version}"
         applicationId getPackageName()
     }