diff --git a/packages/apksigner/build.sh b/packages/apksigner/build.sh
index 4b99e8564..ed54b296d 100644
--- a/packages/apksigner/build.sh
+++ b/packages/apksigner/build.sh
@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://developer.android.com/studio/command-line/apksigner
 TERMUX_PKG_DESCRIPTION="APK signing tool"
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_VERSION=${TERMUX_ANDROID_BUILD_TOOLS_VERSION}
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_BUILD_IN_SRC=true
 TERMUX_PKG_PLATFORM_INDEPENDENT=true
 TERMUX_PKG_SKIP_SRC_EXTRACT=true
@@ -54,8 +54,8 @@ termux_step_make_install() {
 
 termux_step_create_debscripts() {
 	cat <<- EOF > ./postinst
-	#!${TERMUX_PREFIX}/bin/sh
-	rm -f $TERMUX_PREFIX/share/dex/oat/*/apksigner.* >/dev/null 2>&1
+	#!${TERMUX_PREFIX}/bin/bash
+	rm -f $TERMUX_PREFIX/share/dex/oat/*/apksigner.{art,oat,odex,vdex} >/dev/null 2>&1
 	exit 0
 	EOF
 }
diff --git a/packages/beanshell/build.sh b/packages/beanshell/build.sh
index ba1b4ecd7..da1d87f66 100644
--- a/packages/beanshell/build.sh
+++ b/packages/beanshell/build.sh
@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Small, free, embeddable, source level Java interpreter w
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_MAINTAINER="Leonid Pliushch <leonid.pliushch@gmail.com>"
 TERMUX_PKG_VERSION=2.0b6
-TERMUX_PKG_REVISION=6
+TERMUX_PKG_REVISION=7
 TERMUX_PKG_SRCURL=https://github.com/beanshell/beanshell/releases/download/$TERMUX_PKG_VERSION/bsh-$TERMUX_PKG_VERSION.jar
 TERMUX_PKG_SHA256=a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047
 TERMUX_PKG_DEPENDS="dash, termux-tools"
@@ -37,8 +37,8 @@ termux_step_make_install() {
 
 termux_step_create_debscripts() {
 	cat <<- EOF > ./postinst
-	#!${TERMUX_PREFIX}/bin/sh
-	rm -f $TERMUX_PREFIX/share/dex/oat/*/beanshell.* >/dev/null 2>&1
+	#!${TERMUX_PREFIX}/bin/bash
+	rm -f $TERMUX_PREFIX/share/dex/oat/*/beanshell.{art,oat,odex,vdex} >/dev/null 2>&1
 	exit 0
 	EOF
 }
diff --git a/packages/dx/build.sh b/packages/dx/build.sh
index 7ee802f99..f13a1b02a 100644
--- a/packages/dx/build.sh
+++ b/packages/dx/build.sh
@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=http://developer.android.com/tools/help/index.html
 TERMUX_PKG_DESCRIPTION="Command which takes in Java class files and converts them to format executable by Dalvik VM"
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_VERSION=1:1.16
-TERMUX_PKG_REVISION=4
+TERMUX_PKG_REVISION=5
 TERMUX_PKG_SRCURL=https://dl.bintray.com/xeffyr/sources/dx/dx-android-${TERMUX_PKG_VERSION:2}.jar
 TERMUX_PKG_SHA256=b9b7917267876b74c8ff6707e7a576c93b6dfe8cacc4f1cc791d606bcbbb7bd5
 TERMUX_PKG_SKIP_SRC_EXTRACT=true
@@ -39,8 +39,8 @@ termux_step_make_install() {
 
 termux_step_create_debscripts() {
 	cat <<- EOF > ./postinst
-	#!${TERMUX_PREFIX}/bin/sh
-	rm -f $TERMUX_PREFIX/share/dex/oat/*/dx.* >/dev/null 2>&1
+	#!${TERMUX_PREFIX}/bin/bash
+	rm -f $TERMUX_PREFIX/share/dex/oat/*/dx.{art,oat,odex,vdex} >/dev/null 2>&1
 	exit 0
 	EOF
 }
diff --git a/packages/ecj/build.sh b/packages/ecj/build.sh
index 46764a3dd..98efbeda9 100644
--- a/packages/ecj/build.sh
+++ b/packages/ecj/build.sh
@@ -5,7 +5,7 @@ TERMUX_PKG_LICENSE="EPL-2.0"
 _VERSION=4.12
 local _DATE=201906051800
 TERMUX_PKG_VERSION=1:${_VERSION}
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_SRCURL=http://archive.eclipse.org/eclipse/downloads/drops${_VERSION:0:1}/R-${_VERSION}-${_DATE}/ecj-${_VERSION}.jar
 TERMUX_PKG_SHA256=69dad18a1fcacd342a7d44c5abf74f50e7529975553a24c64bce0b29b86af497
 TERMUX_PKG_PLATFORM_INDEPENDENT=true
@@ -86,8 +86,8 @@ termux_step_make() {
 
 termux_step_create_debscripts() {
 	cat <<- EOF > ./postinst
-	#!${TERMUX_PREFIX}/bin/sh
-	rm -f $TERMUX_PREFIX/share/dex/oat/*/ecj.* >/dev/null 2>&1
+	#!${TERMUX_PREFIX}/bin/bash
+	rm -f $TERMUX_PREFIX/share/dex/oat/*/ecj.{art,oat,odex,vdex} >/dev/null 2>&1
 	exit 0
 	EOF
 }