diff --git a/Dockerfile.alpine-musl b/Dockerfile.alpine-musl
index 51f2d82..0718714 100644
--- a/Dockerfile.alpine-musl
+++ b/Dockerfile.alpine-musl
@@ -72,8 +72,20 @@ RUN git clone https://git.laantungir.net/laantungir/nostr_core_lib.git /build/no
 RUN cd nostr_core_lib && \
     chmod +x build.sh && \
     sed -i 's/CFLAGS="-Wall -Wextra -std=c99 -fPIC -O2"/CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -Wall -Wextra -std=c99 -fPIC -O2"/' build.sh && \
+    if [ "$(uname -m)" = "aarch64" ] && ! command -v aarch64-linux-gnu-gcc >/dev/null 2>&1; then \
+        ln -sf /usr/bin/gcc /usr/local/bin/aarch64-linux-gnu-gcc; \
+    fi && \
     rm -f *.o *.a 2>/dev/null || true && \
-    ./build.sh --nips=1,6,13,17,19,42,44,59
+    ./build.sh --nips=1,6,13,17,19,42,44,59 && \
+    if [ -f libnostr_core_arm64.a ]; then \
+        cp libnostr_core_arm64.a libnostr_core.a; \
+    elif [ -f libnostr_core_x64.a ]; then \
+        cp libnostr_core_x64.a libnostr_core.a; \
+    else \
+        echo "ERROR: No supported nostr_core static library produced"; \
+        ls -la *.a 2>/dev/null || true; \
+        exit 1; \
+    fi
 
 # Copy web interface files for embedding
 # Note: Changes to api/ files will trigger rebuild from this point
@@ -110,7 +122,7 @@ RUN if [ "$DEBUG_BUILD" = "true" ]; then \
     src/request_validator.c src/relay_client.c \
     nostr_core_lib/nostr_core/core_relay_pool.c \
     -o /build/ginxsom-fcgi_static \
-    nostr_core_lib/libnostr_core_x64.a \
+    nostr_core_lib/libnostr_core.a \
     -lfcgi -lsqlite3 -lsecp256k1 -lssl -lcrypto -lcurl \
     -lnghttp2 -lcares -lidn2 -lunistring -lpsl -lbrotlidec -lbrotlicommon \
     -lz -lpthread -lm -ldl && \
diff --git a/build/ginxsom-fcgi_static_x86_64 b/build/ginxsom-fcgi_static_x86_64
index 910429b..b1b46cd 100755
Binary files a/build/ginxsom-fcgi_static_x86_64 and b/build/ginxsom-fcgi_static_x86_64 differ
diff --git a/src/ginxsom.h b/src/ginxsom.h
index 0a4b8c6..88a4ee1 100644
--- a/src/ginxsom.h
+++ b/src/ginxsom.h
@@ -10,8 +10,8 @@
 // Version information (auto-updated by build system)
 #define VERSION_MAJOR 0
 #define VERSION_MINOR 2
-#define VERSION_PATCH 1
-#define VERSION "v0.2.1"
+#define VERSION_PATCH 2
+#define VERSION "v0.2.2"
 
 #include <stddef.h>
 #include <stdint.h>