diff --git a/pkgs/applications/blockchains/btcpayserver/default.nix b/pkgs/applications/blockchains/btcpayserver/default.nix
index 4acb4c448f52..f93a8f329ef6 100644
--- a/pkgs/applications/blockchains/btcpayserver/default.nix
+++ b/pkgs/applications/blockchains/btcpayserver/default.nix
@@ -3,13 +3,13 @@
 
 buildDotnetModule rec {
   pname = "btcpayserver";
-  version = "1.5.3";
+  version = "1.5.4";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-jPR996MEBCTT3k12qOdW1AO8LxA/pvQnw0qiW6//lcs=";
+    sha256 = "sha256-8GMk7xBMhml0X/8YRuN3FsEF2TWDxtb0eoP/cduKXNg=";
   };
 
   projectFile = "BTCPayServer/BTCPayServer.csproj";
diff --git a/pkgs/applications/blockchains/nbxplorer/util/update-common.sh b/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
index 033a7bbf4b6f..ee5238944867 100755
--- a/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
+++ b/pkgs/applications/blockchains/nbxplorer/util/update-common.sh
@@ -54,6 +54,8 @@ git clone --depth 1 --branch v${newVersion} -c advice.detachedHead=false https:/
 export GNUPGHOME=$tmpdir
 # Fetch Nicolas Dorier's key (64-bit key ID: 6618763EF09186FE)
 gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys AB4CFA9895ACA0DBE27F6B346618763EF09186FE 2> /dev/null
+# Fetch Andrew Camilleri's key (64-bit key ID: 8E5530D9D1C93097)
+gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 836C08CF3F523BB7A8CB8ECF8E5530D9D1C93097 2> /dev/null
 echo
 echo "Verifying commit"
 git -C $repo verify-commit HEAD