diff --git a/core/build.gradle b/core/build.gradle
index f4a7e42..4e0c75a 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -13,7 +13,7 @@ dependencies {
     api "com.squareup.okhttp3:okhttp:$okhttp_version"
     api "com.github.komputing.khex:extensions:$khex_version"
     api "com.github.komputing.kethereum:extensions_kotlin:$kethereum_version"
-    implementation "com.madgag.spongycastle:core:$spongycastle_version"
+    api "com.madgag.spongycastle:core:$spongycastle_version"
 
     testImplementation "junit:junit:$junit_version"
     testImplementation "com.willowtreeapps.assertk:assertk-jvm:$assertk_version"
diff --git a/signer-common/build.gradle b/signer-common/build.gradle
index 2a09065..aa2a0f8 100644
--- a/signer-common/build.gradle
+++ b/signer-common/build.gradle
@@ -14,11 +14,11 @@ dependencies {
     api "com.github.komputing.khex:extensions:$khex_version"
     api "com.github.komputing.kethereum:extensions_kotlin:$kethereum_version"
     api "com.github.komputing.kethereum:model:$kethereum_version"
-    implementation "com.github.komputing.kethereum:extensions_transactions:$kethereum_version"
-    implementation "com.github.komputing.kethereum:crypto:$kethereum_version"
-    implementation "com.github.komputing.khash:sha256:$khash_version"
-    implementation "com.github.komputing.kethereum:crypto_impl_spongycastle:$kethereum_version"
-    implementation "com.madgag.spongycastle:core:$spongycastle_version"
+    api "com.github.komputing.kethereum:extensions_transactions:$kethereum_version"
+    api "com.github.komputing.kethereum:crypto:$kethereum_version"
+    api "com.github.komputing.khash:sha256:$khash_version"
+    api "com.github.komputing.kethereum:crypto_impl_spongycastle:$kethereum_version"
+    api "com.madgag.spongycastle:core:$spongycastle_version"
 
 
     testImplementation "junit:junit:$junit_version"