diff --git a/sentinel-no-op/proguard-rules.txt b/sentinel-no-op/proguard-rules.txt
index 0674e77..3ce9626 100644
--- a/sentinel-no-op/proguard-rules.txt
+++ b/sentinel-no-op/proguard-rules.txt
@@ -1 +1,35 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.* {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.Sentinel {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.ChuckerTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.CollarTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.DbInspectorTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.LeakCanaryTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.AppGalleryTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.GooglePlayTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.ThimbleTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.TimberTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.CertificateTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
\ No newline at end of file
diff --git a/sentinel/proguard-rules.txt b/sentinel/proguard-rules.txt
index 0674e77..7bfc6c4 100644
--- a/sentinel/proguard-rules.txt
+++ b/sentinel/proguard-rules.txt
@@ -1 +1,39 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.* {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.Sentinel {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.ui.tools.CertificateTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
+
+# KotlinX Serialization
+-if @kotlinx.serialization.Serializable class **
+-keepclassmembers class <1> {
+    static <1>$Companion Companion;
+}
+-if @kotlinx.serialization.Serializable class ** {
+    static **$* *;
+}
+-keepclassmembers class <1>$<3> {
+    kotlinx.serialization.KSerializer serializer(...);
+}
+-if @kotlinx.serialization.Serializable class ** {
+    public static ** INSTANCE;
+}
+-keepclassmembers class <1> {
+    public static <1> INSTANCE;
+    kotlinx.serialization.KSerializer serializer(...);
+}
+-keepattributes RuntimeVisibleAnnotations,AnnotationDefault
+-keepattributes InnerClasses # Needed for `getDeclaredClasses`.
+-keepnames class <1>$$serializer { # -keepnames suffices; class is kept when serializer() is kept.
+    static <1>$$serializer INSTANCE;
+}
+
+-keep class * extends androidx.room.RoomDatabase
+-keep @androidx.room.Entity class *
+-keep @androidx.room.TypeConverters class *
\ No newline at end of file
diff --git a/tool-appgallery/proguard-rules.txt b/tool-appgallery/proguard-rules.txt
index 0674e77..8fedccd 100644
--- a/tool-appgallery/proguard-rules.txt
+++ b/tool-appgallery/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.AppGalleryTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
diff --git a/tool-chucker/proguard-rules.txt b/tool-chucker/proguard-rules.txt
index 0674e77..dff7c09 100644
--- a/tool-chucker/proguard-rules.txt
+++ b/tool-chucker/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.ChuckerTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
diff --git a/tool-collar/proguard-rules.txt b/tool-collar/proguard-rules.txt
index 0674e77..eab8714 100644
--- a/tool-collar/proguard-rules.txt
+++ b/tool-collar/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.CollarTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
diff --git a/tool-dbinspector/proguard-rules.txt b/tool-dbinspector/proguard-rules.txt
index 0674e77..b914121 100644
--- a/tool-dbinspector/proguard-rules.txt
+++ b/tool-dbinspector/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.DbInspectorTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
\ No newline at end of file
diff --git a/tool-googleplay/proguard-rules.txt b/tool-googleplay/proguard-rules.txt
index 0674e77..ba10a08 100644
--- a/tool-googleplay/proguard-rules.txt
+++ b/tool-googleplay/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.GooglePlayTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
diff --git a/tool-leakcanary/proguard-rules.txt b/tool-leakcanary/proguard-rules.txt
index 0674e77..d35cf0f 100644
--- a/tool-leakcanary/proguard-rules.txt
+++ b/tool-leakcanary/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.LeakCanaryTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
diff --git a/tool-thimble/proguard-rules.txt b/tool-thimble/proguard-rules.txt
index 0674e77..81486b1 100644
--- a/tool-thimble/proguard-rules.txt
+++ b/tool-thimble/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.ThimbleTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**
diff --git a/tool-timber/proguard-rules.txt b/tool-timber/proguard-rules.txt
index 0674e77..d6451db 100644
--- a/tool-timber/proguard-rules.txt
+++ b/tool-timber/proguard-rules.txt
@@ -1 +1,5 @@
--dontobfuscate
\ No newline at end of file
+-keeppackagenames
+-keep public class com.infinum.sentinel.ui.tools.TimberTool {
+  public protected *;
+}
+-keep public class com.infinum.sentinel.databinding.**