diff --git a/cmake-build-debug/.ninja_deps b/cmake-build-debug/.ninja_deps
index 622abb7..66f66e6 100644
Binary files a/cmake-build-debug/.ninja_deps and b/cmake-build-debug/.ninja_deps differ
diff --git a/cmake-build-debug/.ninja_log b/cmake-build-debug/.ninja_log
index 316de91..ed34773 100644
--- a/cmake-build-debug/.ninja_log
+++ b/cmake-build-debug/.ninja_log
@@ -63,3 +63,8 @@
 2997	3087	1698338548789636298	insane_dns	ff5ae500893d0be1
 5	7590	1698350638277966894	CMakeFiles/insane_dns.dir/src/main.cpp.o	727da43cdbc82421
 7590	7806	1698350638505965615	insane_dns	ff5ae500893d0be1
+7	1324	1698351285935770667	libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/string.cpp.o	2e3de5470fa27489
+6	1821	1698351286431753374	libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/assert.cpp.o	2ae218d9777469fd
+7	2160	1698351286767741661	libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/loader.cpp.o	3bb9d28d25c10d3b
+8	4025	1698351288619677206	libraries/BLT/CMakeFiles/BLT.dir/src/blt/parse/argparse.cpp.o	30865d3aadfb703
+4025	4544	1698351289127659550	libraries/BLT/libBLT.a	f5b601d9b774b003
diff --git a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/parse/argparse.cpp.o b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/parse/argparse.cpp.o
index 43e2ac3..8c8d202 100644
Binary files a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/parse/argparse.cpp.o and b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/parse/argparse.cpp.o differ
diff --git a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/assert.cpp.o b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/assert.cpp.o
index ecd67b8..488fa55 100644
Binary files a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/assert.cpp.o and b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/assert.cpp.o differ
diff --git a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/loader.cpp.o b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/loader.cpp.o
index dc35ad7..ce4fd33 100644
Binary files a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/loader.cpp.o and b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/loader.cpp.o differ
diff --git a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/string.cpp.o b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/string.cpp.o
index 5601527..d1775e3 100644
Binary files a/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/string.cpp.o and b/cmake-build-debug/libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/string.cpp.o differ
diff --git a/cmake-build-debug/libraries/BLT/libBLT.a b/cmake-build-debug/libraries/BLT/libBLT.a
index 1c15023..5a82468 100644
Binary files a/cmake-build-debug/libraries/BLT/libBLT.a and b/cmake-build-debug/libraries/BLT/libBLT.a differ
diff --git a/libraries/BLT b/libraries/BLT
index fcceff1..bd07600 160000
--- a/libraries/BLT
+++ b/libraries/BLT
@@ -1 +1 @@
-Subproject commit fcceff189b60a02c66280c503d4cac9f8d73ef6b
+Subproject commit bd07600f16d3b9675b4b02fc5581a4f966da2200
diff --git a/src/ip.h b/src/ip.h
index a1fd4f6..a3c1323 100644
--- a/src/ip.h
+++ b/src/ip.h
@@ -14,10 +14,10 @@ using asio::ip::tcp;
 
 struct IPAddress
 {
-    unsigned char octets[4];
+    unsigned char octets[4]{};
     std::string asString;
     
-    constexpr IPAddress(std::string str)
+    BLT_CPP20_CONSTEXPR IPAddress(std::string str)
     {
         auto data = blt::string::split(str, '.');
         BLT_ASSERT(data.size() == 4);
@@ -26,7 +26,7 @@ struct IPAddress
         asString = std::move(str);
     }
     
-    constexpr IPAddress(unsigned char oct[4])
+    BLT_CPP20_CONSTEXPR IPAddress(const unsigned char oct[4])
     {
         // ugly sin
         for (int i = 0; i < 4; i++)
diff --git a/src/main.cpp b/src/main.cpp
index 77cf945..3b87789 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -28,13 +28,13 @@
 static constexpr bool STRICT_MATCHING = false;
 
 /** DNS server to use for forwarding to / resolving DNS requests */
-static inline constexpr std::string DNS_SERVER_IP()
+static inline BLT_CPP20_CONSTEXPR std::string DNS_SERVER_IP()
 {
     return "8.8.8.8";
 }
 
 /** replacement IP address. Make sure this is a 4 octet string seperated by `.` */
-static inline constexpr IPAddress REPLACEMENT_IP()
+static inline BLT_CPP20_CONSTEXPR IPAddress REPLACEMENT_IP()
 {
     return {"139.57.100.6"};
 }