diff --git a/src/mibew/libs/classes/Mibew/Plugin/DependencyGraph.php b/src/mibew/libs/classes/Mibew/Plugin/DependencyGraph.php
index f9924469..7c4ff07c 100644
--- a/src/mibew/libs/classes/Mibew/Plugin/DependencyGraph.php
+++ b/src/mibew/libs/classes/Mibew/Plugin/DependencyGraph.php
@@ -281,7 +281,7 @@ class DependencyGraph
             // Check that version of the dependency satisfied requirements
             $version_constrain = new VersionExpression($required_version);
             $dependency = $this->getPlugin($dependency_name);
-            if (!$version_constrain->satisfiedBy(new Version($dependency->getInstalledVersion()))) {
+            if (!$version_constrain->satisfiedBy(new Version($dependency->getInstalledVersion(), true))) {
                 trigger_error(
                     sprintf(
                         'Plugin "%s" has version incompatible with "%s" requirements!',
diff --git a/src/mibew/libs/classes/Mibew/Plugin/PluginInfo.php b/src/mibew/libs/classes/Mibew/Plugin/PluginInfo.php
index 56d61590..7cc42bf7 100644
--- a/src/mibew/libs/classes/Mibew/Plugin/PluginInfo.php
+++ b/src/mibew/libs/classes/Mibew/Plugin/PluginInfo.php
@@ -268,7 +268,7 @@ class PluginInfo
 
             // Check exact version of the library
             $version_constrain = new VersionExpression($required_version);
-            if (!$version_constrain->satisfiedBy(new Version($system_info[$lib]))) {
+            if (!$version_constrain->satisfiedBy(new Version($system_info[$lib], true))) {
                 return true;
             }
         }