diff --git a/make.conf/00common b/make.conf/00common
index 50687c7..33e9e71 100644
--- a/make.conf/00common
+++ b/make.conf/00common
@@ -14,6 +14,8 @@ LC_MESSAGES=C.utf8
 
 GENTOO_MIRRORS="\
     http://tux.rainside.sk/gentoo/ \
+    rsync://ftp.halifax.rwth-aachen.de/gentoo \
+    http://ftp.halifax.rwth-aachen.de/gentoo \
     rsync://ftp.fau.de/gentoo \
     http://ftp.fau.de/gentoo \
 "
diff --git a/package.accept_keywords/firefox b/package.accept_keywords/firefox
index a669e53..51893bd 100644
--- a/package.accept_keywords/firefox
+++ b/package.accept_keywords/firefox
@@ -1,3 +1,3 @@
 www-client/firefox:rapid ~amd64
 
-=dev-libs/nss-3.114 ~amd64
+=dev-libs/nss-3.113 ~amd64
diff --git a/package.accept_keywords/llvm b/package.accept_keywords/llvm
index 76d0953..fee741a 100644
--- a/package.accept_keywords/llvm
+++ b/package.accept_keywords/llvm
@@ -15,4 +15,4 @@ llvm-runtimes/openmp ~amd64
 
 llvm-core/lld-toolchain-symlinks:20 ~amd64
 
-llvm-core/lldb ~amd64
+=llvm-core/lldb-20.1.6 ~amd64
diff --git a/package.license b/package.license
index 3acc1e4..5201c3e 100644
--- a/package.license
+++ b/package.license
@@ -1,6 +1,6 @@
 sys-kernel/linux-firmware @BINARY-REDISTRIBUTABLE
 
-x11-drivers/nvidia-drivers NVIDIA-r2 NVIDIA-2023 NVIDIA-2025
+x11-drivers/nvidia-drivers NVIDIA-r2 NVIDIA-2023
 dev-util/nvidia-cuda-toolkit NVIDIA-CUDA
 dev-libs/cudnn NVIDIA-cuDNN