diff --git a/FactorioDataWrapper/pom.xml b/FactorioDataWrapper/pom.xml
index d6e9293..f91fc80 100644
--- a/FactorioDataWrapper/pom.xml
+++ b/FactorioDataWrapper/pom.xml
@@ -5,6 +5,7 @@
   <version>0.0.1-SNAPSHOT</version>
   <build>
     <sourceDirectory>src</sourceDirectory>
+    <testSourceDirectory>test</testSourceDirectory>
     <resources>
       <resource>
         <directory>lua</directory>
@@ -40,5 +41,11 @@
   		<artifactId>guava</artifactId>
   		<version>21.0</version>
   	</dependency>
+	<dependency>
+		<groupId>junit</groupId>
+		<artifactId>junit</artifactId>
+		<version>4.13.2</version>
+		<scope>test</scope>
+	</dependency>
   </dependencies>
 </project>
diff --git a/FactorioDataWrapper/src/com/demod/factorio/ModInfo.java b/FactorioDataWrapper/src/com/demod/factorio/ModInfo.java
index b6d8d20..b732aaf 100644
--- a/FactorioDataWrapper/src/com/demod/factorio/ModInfo.java
+++ b/FactorioDataWrapper/src/com/demod/factorio/ModInfo.java
@@ -10,7 +10,7 @@
 
 public class ModInfo {
 	public static final Pattern DEPENDENCY_REGEX = Pattern
-			.compile("^(?:(\\?|\\(\\?\\)|!|~) *)?(.+?)(?: *([<>=]=?) *([0-9.]+))?$");
+			.compile("^(?:(\\?|\\(\\?\\)|!|~|\\+) *)?(.+?)(?: *([<>=]=?) *([0-9.]+))?$");
 
 	public static class Dependency {
 		private final DepPrefix prefix;
@@ -67,7 +67,8 @@ public boolean doesNotAffectLoadOrder() {
 		}
 
 		public boolean isRequired() {
-			return this.prefix == DepPrefix.REQUIRED || this.prefix == DepPrefix.DOES_NOT_AFFECT_LOAD_ORDER;
+			return this.prefix == DepPrefix.REQUIRED || this.prefix == DepPrefix.DOES_NOT_AFFECT_LOAD_ORDER
+					|| this.prefix == DepPrefix.REQUIRED_LOAD_AFTER;
 		}
 	}
 
@@ -81,6 +82,8 @@ public static enum DepPrefix {
 		HIDDEN_OPTIONAL,
 		// ~ for a dependency that does not affect load order
 		DOES_NOT_AFFECT_LOAD_ORDER,
+		// + for a required dependency that loads after the mod declaring it (Factorio 2.1)
+		REQUIRED_LOAD_AFTER,
 		// no prefix for a hard requirement for the other mod.
 		REQUIRED,;
 
@@ -97,6 +100,8 @@ private static DepPrefix fromSymbol(String symbol) {
 				return HIDDEN_OPTIONAL;
 			case "~":
 				return DOES_NOT_AFFECT_LOAD_ORDER;
+			case "+":
+				return REQUIRED_LOAD_AFTER;
 			default:
 				throw new RuntimeException("Invalid dependency symbol: " + symbol);
 			}
diff --git a/FactorioDataWrapper/test/com/demod/factorio/ModInfoDependencyTest.java b/FactorioDataWrapper/test/com/demod/factorio/ModInfoDependencyTest.java
new file mode 100644
index 0000000..2f02e1e
--- /dev/null
+++ b/FactorioDataWrapper/test/com/demod/factorio/ModInfoDependencyTest.java
@@ -0,0 +1,77 @@
+package com.demod.factorio;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import com.demod.factorio.ModInfo.DepOp;
+import com.demod.factorio.ModInfo.DepPrefix;
+import com.demod.factorio.ModInfo.Dependency;
+
+public class ModInfoDependencyTest {
+
+	@Test
+	public void parsesRequiredDependencyWithoutPrefix() {
+		Dependency dependency = Dependency.parse("flib >= 0.16.2");
+
+		assertEquals("flib", dependency.getName());
+		assertEquals(DepPrefix.REQUIRED, dependency.getPrefix());
+		assertEquals(DepOp.GTE, dependency.getOp());
+		assertEquals("0.16.2", dependency.getVersion());
+		assertTrue(dependency.isRequired());
+	}
+
+	@Test
+	public void parsesLoadAfterDependencyWithPlusPrefix() {
+		Dependency dependency = Dependency.parse("+ ChangeInserterDropLane >= 1.3.0");
+
+		assertEquals("ChangeInserterDropLane", dependency.getName());
+		assertEquals(DepPrefix.REQUIRED_LOAD_AFTER, dependency.getPrefix());
+		assertEquals(DepOp.GTE, dependency.getOp());
+		assertEquals("1.3.0", dependency.getVersion());
+		assertTrue(dependency.isRequired());
+		assertFalse(dependency.isOptional());
+		assertFalse(dependency.isIncompatible());
+	}
+
+	@Test
+	public void parsesIncompatibleDependency() {
+		Dependency dependency = Dependency.parse("! Annotorio");
+
+		assertEquals("Annotorio", dependency.getName());
+		assertEquals(DepPrefix.INCOMPATIBLE, dependency.getPrefix());
+		assertNull(dependency.getVersion());
+		assertTrue(dependency.isIncompatible());
+	}
+
+	@Test
+	public void parsesHiddenOptionalDependency() {
+		Dependency dependency = Dependency.parse("(?) space-age");
+
+		assertEquals("space-age", dependency.getName());
+		assertEquals(DepPrefix.HIDDEN_OPTIONAL, dependency.getPrefix());
+		assertTrue(dependency.isOptional());
+	}
+
+	@Test
+	public void parsesOptionalDependencyWithVersion() {
+		Dependency dependency = Dependency.parse("? Aircraft >= 1.6.6");
+
+		assertEquals("Aircraft", dependency.getName());
+		assertEquals(DepPrefix.OPTIONAL, dependency.getPrefix());
+		assertEquals(DepOp.GTE, dependency.getOp());
+		assertEquals("1.6.6", dependency.getVersion());
+	}
+
+	@Test
+	public void parsesLoadOrderIndependentDependency() {
+		Dependency dependency = Dependency.parse("~ base >= 2.0.0");
+
+		assertEquals("base", dependency.getName());
+		assertEquals(DepPrefix.DOES_NOT_AFFECT_LOAD_ORDER, dependency.getPrefix());
+		assertTrue(dependency.isRequired());
+	}
+}