diff --git a/Project.toml b/Project.toml
index 1bb3b96..a2d9c76 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ObjectFile"
 uuid = "d8793406-e978-5875-9003-1fc021f44a92"
 authors = ["Elliot Saba <staticfloat@gmail.com>"]
-version = "0.4.2"
+version = "0.4.3"
 
 [deps]
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
diff --git a/src/ELF/ELFHeader.jl b/src/ELF/ELFHeader.jl
index cdfc808..f6f639e 100644
--- a/src/ELF/ELFHeader.jl
+++ b/src/ELF/ELFHeader.jl
@@ -67,6 +67,8 @@ function elf_machine_to_arch(machine::UInt16)
         return "aarch64"
     elseif machine ∈ (EM_PPC64,)
         return "ppc64le"
+    elseif machine ∈ (EM_RISCV,)
+        return "riscv64"
     end
 end
 
diff --git a/src/ELF/constants.jl b/src/ELF/constants.jl
index b7c7da9..09ecf98 100644
--- a/src/ELF/constants.jl
+++ b/src/ELF/constants.jl
@@ -220,6 +220,25 @@ end
     const EM_BA2  = 202 #Beyond BA2 CPU architecture
     const EM_XCORE    = 203 #XMOS xCORE processor family
     const EM_MCHP_PIC = 204 #Microchip 8-bit PIC(r) family
+    #205-209 Reserved
+    const EM_KM32        = 210 #KM211 KM32
+    const EM_KMX32       = 211 #KM211 KMX32
+    const EM_EMX16       = 212 #KM211 KMX16
+    const EM_EMX8        = 213 #KM211 KMX8
+    const EM_KVARC       = 214 #KM211 KVARC
+    const EM_CDP         = 215 #Paneve CDP
+    const EM_COGE        = 216 #Cognitive Smart Memory Processor
+    const EM_COOL        = 217 #Bluechip CoolEngine
+    const EM_NORC        = 218 #Nanoradio Optimized RISC
+    const EM_CSR_KALIMBA = 219 #CSR Kalimba
+    const EM_Z80         = 220 #Zilog Z80
+    const EM_VISIUM      = 221 #Controls and Data Services VISIUMcore
+    const EM_FT32        = 222 #FTDI Chip FT32
+    const EM_MOXIE       = 223 #Moxie processor
+    const EM_AMDGPU      = 224 #AMD GPU
+    #225-242 Reserved
+    const EM_RISCV       = 243 #RISC-V
+    const EM_BPF         = 247 #Linux BPF -- in-kernel virtual machine
 end
 
 # Special Section Indices