diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index c3c0aca4f..38cb7efe2 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -29,8 +29,8 @@ plugins {
 android {
     defaultConfig {
         applicationId = "com.google.samples.apps.nowinandroid"
-        versionCode = 7
-        versionName = "0.1.1" // X.Y.Z; X = Major, Y = minor, Z = Patch level
+        versionCode = 8
+        versionName = "0.1.2" // X.Y.Z; X = Major, Y = minor, Z = Patch level
 
         // Custom test runner to set up Hilt dependency graph
         testInstrumentationRunner = "com.google.samples.apps.nowinandroid.core.testing.NiaTestRunner"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index dcaf39ce7..9c7f3b935 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -7,3 +7,13 @@
 -dontwarn org.openjsse.javax.net.ssl.SSLParameters
 -dontwarn org.openjsse.javax.net.ssl.SSLSocket
 -dontwarn org.openjsse.net.ssl.OpenJSSE
+
+# Fix for Retrofit issue https://github.com/square/retrofit/issues/3751
+# Keep generic signature of Call, Response (R8 full mode strips signatures from non-kept items).
+-keep,allowobfuscation,allowshrinking interface retrofit2.Call
+-keep,allowobfuscation,allowshrinking class retrofit2.Response
+
+# With R8 full mode generic signatures are stripped for classes that are not
+# kept. Suspend functions are wrapped in continuations where the type argument
+# is used.
+-keep,allowobfuscation,allowshrinking class kotlin.coroutines.Continuation
\ No newline at end of file
diff --git a/build-logic/convention/src/main/kotlin/AndroidTestConventionPlugin.kt b/build-logic/convention/src/main/kotlin/AndroidTestConventionPlugin.kt
index 286871010..e48d75757 100644
--- a/build-logic/convention/src/main/kotlin/AndroidTestConventionPlugin.kt
+++ b/build-logic/convention/src/main/kotlin/AndroidTestConventionPlugin.kt
@@ -31,10 +31,10 @@ class AndroidTestConventionPlugin : Plugin<Project> {
 
             extensions.configure<TestExtension> {
                 configureKotlinAndroid(this)
-                defaultConfig.targetSdk = 31
+                defaultConfig.targetSdk = 34
                 configureGradleManagedDevices(this)
             }
         }
     }
 
-}
\ No newline at end of file
+}
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index dbb82b8fd..cd18da117 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 accompanist = "0.28.0"
-androidDesugarJdkLibs = "1.2.2"
+androidDesugarJdkLibs = "2.0.3"
 androidGradlePlugin = "8.1.0"
 androidxActivity = "1.7.0"
 androidxAppCompat = "1.5.1"
@@ -49,7 +49,7 @@ protobuf = "3.23.4"
 protobufPlugin = "0.9.3"
 retrofit = "2.9.0"
 retrofitKotlinxSerializationJson = "1.0.0"
-room = "2.5.0"
+room = "2.5.2"
 secrets = "2.0.1"
 turbine = "0.12.1"