diff --git a/pgpainless-core/build.gradle b/pgpainless-core/build.gradle
index 3c73121f..544fb8a4 100644
--- a/pgpainless-core/build.gradle
+++ b/pgpainless-core/build.gradle
@@ -24,6 +24,9 @@ dependencies {
     api "org.bouncycastle:bcpg-jdk15to18:$bouncyPgVersion"
     // api(files("../libs/bcpg-jdk18on-1.70.jar"))
 
+    // certificate store
+    api "org.pgpainless:pgp-certificate-store:$pgpCertificateStoreVersion"
+
     // @Nullable, @Nonnull annotations
     implementation "com.google.code.findbugs:jsr305:3.0.2"
 }
diff --git a/version.gradle b/version.gradle
index d6634b93..302f54e0 100644
--- a/version.gradle
+++ b/version.gradle
@@ -17,6 +17,7 @@ allprojects {
         junitVersion = '5.8.2'
         logbackVersion = '1.2.11'
         mockitoVersion = '4.5.1'
+        pgpCertificateStoreVersion = '0.1.1'
         slf4jVersion = '1.7.36'
         sopJavaVersion = '4.0.7'
     }