diff --git a/packaging/Dockerfile b/packaging/Dockerfile
index bbccd79..445db40 100644
--- a/packaging/Dockerfile
+++ b/packaging/Dockerfile
@@ -1,4 +1,4 @@
-ARG DEBIAN_RELEASE=stretch
+ARG DEBIAN_RELEASE=buster
 FROM ev3dev/ev3dev-$DEBIAN_RELEASE-ev3-base
 
 ARG DEBIAN_RELEASE
diff --git a/scripts/Dockerfile b/scripts/Dockerfile
index c6b6ce5..0e791e8 100644
--- a/scripts/Dockerfile
+++ b/scripts/Dockerfile
@@ -1,4 +1,4 @@
-ARG DEBIAN_RELEASE=stretch
+ARG DEBIAN_RELEASE=buster
 ARG BUILD_TYPE=cross
 
 FROM ev3dev-lang-java:jdk-$BUILD_TYPE-$DEBIAN_RELEASE
diff --git a/scripts/config.sh b/scripts/config.sh
index bc094a9..b64e2db 100644
--- a/scripts/config.sh
+++ b/scripts/config.sh
@@ -316,6 +316,33 @@ elif [ "$JDKVER" == "15" ]; then
   HOTSPOT_ABI=arm-sflt
   JNI_PATH_FLAGS="--with-jni-libpath=/usr/lib/$DEB_HOST_MULTIARCH/jni:/lib/$DEB_HOST_MULTIARCH:/usr/lib/$DEB_HOST_MULTIARCH:/usr/lib/jni:/lib:/usr/lib"
 
+# OpenJDK 17
+elif [ "$JDKVER" == "17" ]; then
+  VERSION_POLICY="latest_general_availability"
+  JAVA_REPO="https://github.com/adoptium/jdk17u.git"
+  JAVA_SCM="git"
+  PATCHVER="jdk17"
+  AUTOGEN_STYLE="v2"
+  if [ "$BUILDER_TYPE" = "native" ]; then
+    HOSTJDK="$BUILDDIR/jdk-ev3"
+    HOSTJDK_RENAME_FROM="$BUILDDIR/jdk"
+    HOSTJDK_FILE="$BUILDDIR/jdk-ev3.tar.gz"
+    # stretch and buster have different versions
+    if [ "$BUILDER_DISTRO" = "stretch" ]; then
+      HOSTJDK_URL="https://ci.adoptium.net/job/eljbuild/job/stretch-bleeding/85/artifact/build/jdk-ev3.tar.gz"
+    else
+      HOSTJDK_URL="https://ci.adoptium.net/job/eljbuild/job/buster-bleeding/84/artifact/build/jdk-ev3.tar.gz"
+    fi
+  else
+    # same for both stretch & buster
+    HOSTJDK="$BUILDDIR/jdk-17.0.10+7"
+    HOSTJDK_FILE="$BUILDDIR/OpenJDK17U-jdk_x64_linux_hotspot_17.0.10_7.tar.gz"
+    HOSTJDK_URL="https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.10%2B7/OpenJDK17U-jdk_x64_linux_hotspot_17.0.10_7.tar.gz"
+  fi
+  IMAGEDIR="$JDKDIR/build/linux-arm-${JDKVM}-${HOTSPOT_DEBUG}/images"
+  HOTSPOT_ABI=arm-sflt
+  JNI_PATH_FLAGS="--with-jni-libpath=/usr/lib/$DEB_HOST_MULTIARCH/jni:/lib/$DEB_HOST_MULTIARCH:/usr/lib/$DEB_HOST_MULTIARCH:/usr/lib/jni:/lib:/usr/lib"
+
 # OpenJDK Loom & Master+dev
 elif [ "$JDKVER" == "loom" ] || [ "$JDKVER" == "tip" ]; then
   if [ "$JDKVER" == "loom" ]; then
@@ -327,7 +354,7 @@ elif [ "$JDKVER" == "loom" ] || [ "$JDKVER" == "tip" ]; then
   else
     VERSION_POLICY="latest_tag"
     JAVA_REPO="https://github.com/openjdk/jdk.git"
-    PATCHVER="jdk16"
+    PATCHVER="jdk17"
   fi
   JAVA_SCM="git"
   AUTOGEN_STYLE="v2"
diff --git a/scripts/jdk17_new.patch b/scripts/jdk17_new.patch
new file mode 100644
index 0000000..2ae0adc
--- /dev/null
+++ b/scripts/jdk17_new.patch
@@ -0,0 +1,46 @@
+diff --git a/make/autoconf/hotspot.m4 b/make/autoconf/hotspot.m4
+index 43653c115..4c5f960a8 100644
+--- a/make/autoconf/hotspot.m4
++++ b/make/autoconf/hotspot.m4
+@@ -138,6 +138,11 @@ AC_DEFUN_ONCE([HOTSPOT_SETUP_MISC],
+     HOTSPOT_TARGET_CPU_DEFINE="ARM32"
+   fi
+ 
++  if test "x$OPENJDK_BUILD_CPU" = xarm; then
++    HOTSPOT_BUILD_CPU=arm_32
++    HOTSPOT_BUILD_CPU_DEFINE="ARM32"
++  fi
++
+   # --with-cpu-port is no longer supported
+   UTIL_DEPRECATED_ARG_WITH(with-cpu-port)
+ 
+diff --git a/src/hotspot/share/memory/metaspaceShared.cpp b/src/hotspot/share/memory/metaspaceShared.cpp
+index 7adecd141..e895e21d1 100644
+--- a/src/hotspot/share/memory/metaspaceShared.cpp
++++ b/src/hotspot/share/memory/metaspaceShared.cpp
+@@ -71,6 +71,7 @@
+ #include "utilities/ostream.hpp"
+ #include "utilities/defaultStream.hpp"
+ #include "utilities/hashtable.inline.hpp"
++#include "gc/shared/softRefPolicy.hpp"
+ #if INCLUDE_G1GC
+ #include "gc/g1/g1CollectedHeap.inline.hpp"
+ #endif
+diff --git a/src/hotspot/share/oops/constantPool.cpp b/src/hotspot/share/oops/constantPool.cpp
+index 1761efa7a..cd0602cd0 100644
+--- a/src/hotspot/share/oops/constantPool.cpp
++++ b/src/hotspot/share/oops/constantPool.cpp
+@@ -443,8 +443,12 @@ void ConstantPool::remove_unshareable_info() {
+ }
+ 
+ int ConstantPool::cp_to_object_index(int cp_index) {
++  Array<u2> *map = reference_map();
++  if (map == 0)
++    return _no_index_sentinel;
++
+   // this is harder don't do this so much.
+-  int i = reference_map()->find(cp_index);
++  int i = map->find(cp_index);
+   // We might not find the index for jsr292 call.
+   return (i < 0) ? _no_index_sentinel : i;
+ }
diff --git a/scripts/jdk17_nosflt.patch b/scripts/jdk17_nosflt.patch
new file mode 100644
index 0000000..9c8404b
--- /dev/null
+++ b/scripts/jdk17_nosflt.patch
@@ -0,0 +1,20 @@
+diff --git a/src/hotspot/cpu/arm/assembler_arm_32.hpp b/src/hotspot/cpu/arm/assembler_arm_32.hpp
+index dd04ad1ab..d43e29e5a 100644
+--- a/src/hotspot/cpu/arm/assembler_arm_32.hpp
++++ b/src/hotspot/cpu/arm/assembler_arm_32.hpp
+@@ -1248,10 +1248,11 @@ extern int  __aeabi_dcmpgt(double, double);
+ 
+ // Imported code from glibc soft-fp bundle for
+ // calculation accuracy improvement. See CR 6757269.
+-extern double __aeabi_fadd_glibc(float, float);
+-extern double __aeabi_fsub_glibc(float, float);
+-extern double __aeabi_dadd_glibc(double, double);
+-extern double __aeabi_dsub_glibc(double, double);
++#define __aeabi_fadd_glibc __aeabi_fadd
++#define __aeabi_fsub_glibc __aeabi_fsub
++#define __aeabi_dadd_glibc __aeabi_dadd
++#define __aeabi_dsub_glibc __aeabi_dsub
++
+ };
+ #endif // __SOFTFP__
+ 
diff --git a/system/Dockerfile.cross b/system/Dockerfile.cross
index 1f0bcd7..e0dcd27 100644
--- a/system/Dockerfile.cross
+++ b/system/Dockerfile.cross
@@ -1,4 +1,4 @@
-ARG DEBIAN_RELEASE=stretch
+ARG DEBIAN_RELEASE=buster
 ARG ARCH=armel
 FROM debian:$DEBIAN_RELEASE
 ARG DEBIAN_RELEASE
@@ -7,9 +7,11 @@ ARG ARCH
 # this is a customized version of ev3dev-stretch-cross image
 
 # setup repositories and install required packages
-COPY sources.list.$DEBIAN_RELEASE /etc/apt/sources.list
+#COPY sources.list.$DEBIAN_RELEASE /etc/apt/sources.list
 COPY ev3dev-archive-keyring.gpg /etc/apt/trusted.gpg.d/
 RUN dpkg --add-architecture $ARCH && \
+    apt-get update && \
+    apt-get install apt-transport-https -y && \
     apt-get -qq update && \
     DEBIAN_FRONTEND=noninteractive apt-get -qq install --yes --no-install-recommends \
         bash-completion \
@@ -64,7 +66,7 @@ RUN dpkg --add-architecture $ARCH && \
         git \
         zlib1g-dev && \
     ( if [ "$DEBIAN_RELEASE" = "stretch" ]; then \
-        wget http://ftp.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_3.1-2_$ARCH.deb -O /tmp/systemtap.deb; \
+        wget http://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_3.1-2_$ARCH.deb -O /tmp/systemtap.deb; \
       elif [ "$DEBIAN_RELEASE" = "buster" ]; then \
         wget http://ftp.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_4.0-1_$ARCH.deb -O /tmp/systemtap.deb; \
       fi ) && \
diff --git a/system/Dockerfile.native b/system/Dockerfile.native
index d7e5a5a..523dcbc 100644
--- a/system/Dockerfile.native
+++ b/system/Dockerfile.native
@@ -1,4 +1,4 @@
-ARG DEBIAN_RELEASE=stretch
+ARG DEBIAN_RELEASE=buster
 ARG ARCH=armel
 FROM ev3dev/debian-$DEBIAN_RELEASE-$ARCH-qemu-minbase
 ARG DEBIAN_RELEASE
diff --git a/system/sources.list.buster b/system/sources.list.buster
index 17c1d92..9410352 100644
--- a/system/sources.list.buster
+++ b/system/sources.list.buster
@@ -1,4 +1,8 @@
+deb http://httpredir.debian.org/debian buster main contrib non-free
+#deb-src http://httpredir.debian.org/debian buster main contrib non-free
 deb http://deb.debian.org/debian          buster         main contrib non-free
-deb http://deb.debian.org/debian          buster-updates main contrib non-free
-deb http://deb.debian.org/debian-security buster/updates main contrib non-free
-deb http://archive.ev3dev.org/debian      buster         main
+#deb http://security.debian.org/ buster/updates main contrib non-free
+#deb-src http://security.debian.org/ buster/updates main contrib non-free
+
+deb http://archive.ev3dev.org/debian buster main
+#deb-src http://archive.ev3dev.org/debian buster main
diff --git a/system/sources.list.stretch b/system/sources.list.stretch
index c0f063b..99cd653 100644
--- a/system/sources.list.stretch
+++ b/system/sources.list.stretch
@@ -1,4 +1,2 @@
-deb http://deb.debian.org/debian          stretch         main contrib non-free
-deb http://deb.debian.org/debian          stretch-updates main contrib non-free
-deb http://deb.debian.org/debian-security stretch/updates main contrib non-free
+deb http://archive.debian.org/debian          stretch         main contrib non-free
 deb http://archive.ev3dev.org/debian      stretch         main