diff --git a/maven-compiler-plugin-build.xml b/maven-compiler-plugin-build.xml
index e6d7460..172ac6e 100644
--- a/maven-compiler-plugin-build.xml
+++ b/maven-compiler-plugin-build.xml
@@ -19,7 +19,7 @@
 
   <property name="spec.version" value="3.11"/>
 
-  <property name="compiler.source" value="1.7"/>
+  <property name="compiler.source" value="1.8"/>
   <property name="compiler.target" value="${compiler.source}"/>
 
   <property name="build.finalName" value="${project.artifactId}-${project.version}"/>
diff --git a/maven-compiler-plugin.spec b/maven-compiler-plugin.spec
index 2c70eb4..29bc166 100644
--- a/maven-compiler-plugin.spec
+++ b/maven-compiler-plugin.spec
@@ -35,10 +35,12 @@ Patch0:         %{base_name}-bootstrap-resources.patch
 BuildRequires:  javapackages-local
 BuildRequires:  maven-lib
 BuildRequires:  maven-plugin-annotations
+BuildRequires:  maven-resolver-api
+BuildRequires:  maven-resolver-util
 BuildRequires:  maven-shared-incremental
 BuildRequires:  maven-shared-utils
 BuildRequires:  objectweb-asm
-BuildRequires:  plexus-compiler
+BuildRequires:  plexus-compiler >= 2.13
 BuildRequires:  plexus-languages
 BuildRequires:  unzip
 BuildRequires:  xmvn-install
@@ -108,26 +110,28 @@ cp %{SOURCE1} build.xml
 %if %{with bootstrap}
 mkdir -p lib
 build-jar-repository -s lib \
-	maven/maven-artifact \
-	maven/maven-core \
-	maven/maven-model \
-	maven/maven-plugin-api \
-	maven-plugin-tools/maven-plugin-annotations \
-	maven-shared-incremental/maven-shared-incremental \
-	maven-shared-utils/maven-shared-utils \
-	objectweb-asm/asm-all \
-	plexus-compiler/plexus-compiler-api \
-	plexus-compiler/plexus-compiler-javac \
-	plexus-compiler/plexus-compiler-manager \
-	plexus-languages/plexus-java
+    maven/maven-artifact \
+    maven/maven-core \
+    maven/maven-model \
+    maven/maven-plugin-api \
+    maven-plugin-tools/maven-plugin-annotations \
+    maven-resolver/maven-resolver-api \
+    maven-resolver/maven-resolver-util \
+    maven-shared-incremental/maven-shared-incremental \
+    maven-shared-utils/maven-shared-utils \
+    objectweb-asm/asm-all \
+    plexus-compiler/plexus-compiler-api \
+    plexus-compiler/plexus-compiler-javac \
+    plexus-compiler/plexus-compiler-manager \
+    plexus-languages/plexus-java
 %{ant} -Dtest.skip=true jar
 %else
 xmvn --batch-mode --offline \
-	-Dmaven.test.skip=true \
+    -Dmaven.test.skip=true \
 %if %{?pkg_vcmp:%pkg_vcmp java-devel >= 9}%{!?pkg_vcmp:0}
-	-Dmaven.compiler.release=8 \
+    -Dmaven.compiler.release=8 \
 %endif
-	package org.apache.maven.plugins:maven-javadoc-plugin:aggregate
+    package org.apache.maven.plugins:maven-javadoc-plugin:aggregate
 %endif
 
 %{mvn_artifact} pom.xml target/%{base_name}-%{version}.jar