diff --git a/packages/libbcprov-java/build.sh b/packages/libbcprov-java/build.sh
index 71c3c3abf..982076608 100644
--- a/packages/libbcprov-java/build.sh
+++ b/packages/libbcprov-java/build.sh
@@ -13,7 +13,7 @@ TERMUX_PKG_BUILD_IN_SRC=true
 termux_step_make() {
 	cd prov
 	local src_dirs="src/main/java ../core/src/main/java"
-	javac $(find $src_dirs -name "*.java")
+	javac -encoding UTF-8 -source 1.8 -target 1.8 $(find $src_dirs -name "*.java")
 	_BUILD_JARFILE="$TERMUX_PKG_BUILDDIR/bcprov.jar"
 	rm -f "$_BUILD_JARFILE"
 	for d in $src_dirs; do
diff --git a/packages/libcommons-lang3-java/build.sh b/packages/libcommons-lang3-java/build.sh
index 874912646..798fba4e1 100644
--- a/packages/libcommons-lang3-java/build.sh
+++ b/packages/libcommons-lang3-java/build.sh
@@ -11,7 +11,7 @@ TERMUX_PKG_BUILD_IN_SRC=true
 
 termux_step_make() {
 	cd src/main/java
-	javac -encoding UTF-8 $(find . -name "*.java")
+	javac -encoding UTF-8 -source 1.8 -target 1.8 $(find . -name "*.java")
 	_BUILD_JARFILE="$TERMUX_PKG_BUILDDIR/commons-lang3.jar"
 	rm -f "$_BUILD_JARFILE"
 	jar cf "$_BUILD_JARFILE" $(find . -name "*.class")