diff --git a/alchemist/gradle.properties b/alchemist/gradle.properties
index 53adcc764a..ab4d05cd55 100644
--- a/alchemist/gradle.properties
+++ b/alchemist/gradle.properties
@@ -28,7 +28,7 @@ findBugsVersion = 3.0.1
 graphhopperVersion = 0.7.0
 gsonVersion = 2.8.0
 gsonExtrasVersion = [0.1.0, 0.2.1]
-guavaVersion = 20.0
+guavaVersion = [20.0, 22[
 javaFXSVG = 1.2.1
 quadtreeVersion = 0.1.0
 javalibVersion = [5.0.0, 6[
@@ -39,17 +39,15 @@ junitVersion = [4.12, 5.0[
 lang3Version = [3, 4[
 latlngVersion = [1.2.0, 1.3.1]
 logbackVersion = [1, 2[
-mapsforgeVersion = [0.6, 0.7[
+mapsforgeVersion = [0.6, 0.8[
 math3Version = [3.4, 4[
 miglayoutVersion = [4.2, 6.0[
 protelisVersion = 10.2.0
 reflectionsVersion = [0.9.9-RC2, 1[
 rtreeVersion = 0.8-RC10
 slf4jVersion = [1.4.0, 1.8[
-snakeyamlVersion = [1.16, 1.17]
-streamsupportVersion = [1.4.2, 2[
-streamgoodiesVersion = 0.1.1
-stringSimilarityVersion = 0.19
+snakeyamlVersion = [1.16, 1.18]
+stringSimilarityVersion = [0.19, 0.24[
 troveVersion = [3.0.0, 4[
 urlClassLoaderUtilVersion = 0.1.0