diff --git a/smack-openpgp/build.gradle b/smack-openpgp/build.gradle
index 24212ccf1..81c6accbd 100644
--- a/smack-openpgp/build.gradle
+++ b/smack-openpgp/build.gradle
@@ -8,10 +8,9 @@ dependencies {
 	api project(':smack-extensions')
 	api project(':smack-experimental')
 
-	api 'org.pgpainless:pgpainless-core:0.2.19'
+	api 'org.pgpainless:pgpainless-core:1.0.0-rc6'
 
 	testImplementation "org.bouncycastle:bcprov-jdk15on:${bouncyCastleVersion}"
-	testImplementation 'ch.qos.logback:logback-classic:1.2.6'
 
 	testFixturesApi(testFixtures(project(":smack-core")))
 	testImplementation group: 'commons-io', name: 'commons-io', version: "$commonsIoVersion"