diff --git a/toolchains/apple-sdks/packages/xcode-extractor/build.sh b/toolchains/apple-sdks/packages/xcode-extractor/build.sh
index 92fd1ec..bfb8b33 100755
--- a/toolchains/apple-sdks/packages/xcode-extractor/build.sh
+++ b/toolchains/apple-sdks/packages/xcode-extractor/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-OSXCROSS_VERSION=e59a63461da2cbc20cb0a5bbfc954730e50a5472
+OSXCROSS_VERSION=d904031e7e3faa8a23c21b319a65cc915dac51b3
 export PBZX_VERSION=2a4d7c3300c826d918def713a24d25c237c8ed53
 export XAR_VERSION=2b9a4ab7003f1db8c54da4fea55fcbb424fdecb0
 
diff --git a/toolchains/common/packages/fluidlite/build.sh b/toolchains/common/packages/fluidlite/build.sh
index 3556ad1..6ff32a3 100755
--- a/toolchains/common/packages/fluidlite/build.sh
+++ b/toolchains/common/packages/fluidlite/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-FLUIDLITE_VERSION=57a0e74e708f699b13d7c85b28a4e1ff5b71887c
+FLUIDLITE_VERSION=acc2183fdcb9af2aca233bcfdafd5f657dce33f8
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/common/packages/fluidsynth/build.sh b/toolchains/common/packages/fluidsynth/build.sh
index 6434d0f..44389aa 100755
--- a/toolchains/common/packages/fluidsynth/build.sh
+++ b/toolchains/common/packages/fluidsynth/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-FLUIDSYNTH_VERSION=2.2.3
+FLUIDSYNTH_VERSION=2.2.4
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/common/packages/libsdl1.2/build.sh b/toolchains/common/packages/libsdl1.2/build.sh
index ebfbdef..0b2cbb3 100755
--- a/toolchains/common/packages/libsdl1.2/build.sh
+++ b/toolchains/common/packages/libsdl1.2/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-SDL_VERSION=15f4b475f70cb71be5e8e96a032ce2874723d524
+SDL_VERSION=f1caf90987baf134acdfa6fc29d0b684b00c4989
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/common/packages/sdl-net1.2/build.sh b/toolchains/common/packages/sdl-net1.2/build.sh
index 81e552c..ca525b1 100755
--- a/toolchains/common/packages/sdl-net1.2/build.sh
+++ b/toolchains/common/packages/sdl-net1.2/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-SDL_NET_VERSION=7190d91beb2a07c265289edae8c3030f0bf39912
+SDL_NET_VERSION=6eb88c83424c1dfaa10bbb7aea08b8c41d75ea27
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/common/packages/sdl-net1.2/patches/inetlib.patch b/toolchains/common/packages/sdl-net1.2/patches/inetlib.patch
deleted file mode 100644
index 963eb15..0000000
--- a/toolchains/common/packages/sdl-net1.2/patches/inetlib.patch
+++ /dev/null
@@ -1,9 +0,0 @@
---- a/SDL_net.pc.in.orig  2012-01-15 16:20:10 +0000
-+++ b/SDL_net.pc.in       2020-08-30 17:42:19 +0100
-@@ -7,5 +7,5 @@
- Description: net library for Simple DirectMedia Layer
- Version: @VERSION@
- Requires: sdl >= @SDL_VERSION@
--Libs: -L${libdir} -lSDL_net
-+Libs: -L${libdir} -lSDL_net @INETLIB@
- Cflags: -I${includedir}/SDL
diff --git a/toolchains/devkit3ds/packages/Project_CTR/build.sh b/toolchains/devkit3ds/packages/Project_CTR/build.sh
index 2d89b4c..a73e1e1 100755
--- a/toolchains/devkit3ds/packages/Project_CTR/build.sh
+++ b/toolchains/devkit3ds/packages/Project_CTR/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-PROJECT_CTR_VERSION=makerom-v0.17
+PROJECT_CTR_VERSION=makerom-v0.18
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/m4/debian-toolchain-base.m4 b/toolchains/m4/debian-toolchain-base.m4
index a7d2d01..d909910 100644
--- a/toolchains/m4/debian-toolchain-base.m4
+++ b/toolchains/m4/debian-toolchain-base.m4
@@ -1,5 +1,5 @@
 m4_ifdef(`DEBIAN_RELEASE',,`m4_define(`DEBIAN_RELEASE',bullseye)')
-m4_ifdef(`DEBIAN_VERSION',,`m4_define(`DEBIAN_VERSION',20211011)')
+m4_ifdef(`DEBIAN_VERSION',,`m4_define(`DEBIAN_VERSION',20211220)')
 FROM toolchains/common AS helpers
 
 FROM debian:DEBIAN_RELEASE-DEBIAN_VERSION-slim m4_ifdef(`STAGE_IMAGE_NAME',AS STAGE_IMAGE_NAME,)
diff --git a/toolchains/macosx-common/packages/osxcross-clang/build.sh b/toolchains/macosx-common/packages/osxcross-clang/build.sh
index 0cf0592..15ab3f7 100755
--- a/toolchains/macosx-common/packages/osxcross-clang/build.sh
+++ b/toolchains/macosx-common/packages/osxcross-clang/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-OSXCROSS_VERSION=e59a63461da2cbc20cb0a5bbfc954730e50a5472
+OSXCROSS_VERSION=d904031e7e3faa8a23c21b319a65cc915dac51b3
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/macosx-common/packages/osxcross/build.sh b/toolchains/macosx-common/packages/osxcross/build.sh
index 2fe5491..abec73c 100755
--- a/toolchains/macosx-common/packages/osxcross/build.sh
+++ b/toolchains/macosx-common/packages/osxcross/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-OSXCROSS_VERSION=e59a63461da2cbc20cb0a5bbfc954730e50a5472
+OSXCROSS_VERSION=d904031e7e3faa8a23c21b319a65cc915dac51b3
 export XAR_VERSION=2b9a4ab7003f1db8c54da4fea55fcbb424fdecb0
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
diff --git a/toolchains/n64/packages/ucon64/build.sh b/toolchains/n64/packages/ucon64/build.sh
index 5f195fd..697a704 100755
--- a/toolchains/n64/packages/ucon64/build.sh
+++ b/toolchains/n64/packages/ucon64/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-UCON64_VERSION=2.2.1
+UCON64_VERSION=2.2.2
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/toolchains/raspberrypi/packages/compilers/build.sh b/toolchains/raspberrypi/packages/compilers/build.sh
index af007ec..e3342af 100755
--- a/toolchains/raspberrypi/packages/compilers/build.sh
+++ b/toolchains/raspberrypi/packages/compilers/build.sh
@@ -1,8 +1,8 @@
 #! /bin/sh
 
-DIST_VERSION=Buster
-# Use same version as Buster one
-GCC_VERSION=8.3.0
+DIST_VERSION=Bullseye
+# Use same version as Raspbian one
+GCC_VERSION=10.2.0
 # Which RPI to target, RPI and SUFFIX must match
 RPI="1%2C%20Zero"
 SUFFIX="0-1"
diff --git a/toolchains/riscos/packages/toolchain/build.sh b/toolchains/riscos/packages/toolchain/build.sh
index 9d46ba8..9940acd 100755
--- a/toolchains/riscos/packages/toolchain/build.sh
+++ b/toolchains/riscos/packages/toolchain/build.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-GCCSDK_VERSION=7592
+GCCSDK_VERSION=7663
 
 PACKAGE_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 HELPERS_DIR=$PACKAGE_DIR/../..
diff --git a/workers/fetcher/Dockerfile.m4 b/workers/fetcher/Dockerfile.m4
index 0a283de..2643398 100644
--- a/workers/fetcher/Dockerfile.m4
+++ b/workers/fetcher/Dockerfile.m4
@@ -1,4 +1,4 @@
-m4_define(`ALPINE_VERSION',3.14.3)m4_dnl
+m4_define(`ALPINE_VERSION',3.15.0)m4_dnl
 FROM alpine:ALPINE_VERSION
 m4_define(`BASE_ALPINE',`')m4_dnl
 USER root
diff --git a/workers/m4/debian-builder-base.m4 b/workers/m4/debian-builder-base.m4
index 2fa7902..922bf10 100644
--- a/workers/m4/debian-builder-base.m4
+++ b/workers/m4/debian-builder-base.m4
@@ -1,5 +1,5 @@
 m4_ifdef(`DEBIAN_RELEASE',,`m4_define(`DEBIAN_RELEASE',bullseye)')
-m4_ifdef(`DEBIAN_VERSION',,`m4_define(`DEBIAN_VERSION',20211011)')
+m4_ifdef(`DEBIAN_VERSION',,`m4_define(`DEBIAN_VERSION',20211220)')
 m4_define(`BASE_DEBIAN',`')m4_dnl
 FROM debian:DEBIAN_RELEASE-DEBIAN_VERSION-slim
 USER root