diff --git a/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.cpp b/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.cpp
index 135bcf5270..1f036af432 100644
--- a/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.cpp
+++ b/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.cpp
@@ -337,6 +337,11 @@ bool UnsignedBigInteger::operator>(const UnsignedBigInteger& other) const
     return *this != other && !(*this < other);
 }
 
+bool UnsignedBigInteger::operator>=(UnsignedBigInteger const& other) const
+{
+    return *this > other || *this == other;
+}
+
 }
 
 void AK::Formatter<Crypto::UnsignedBigInteger>::format(FormatBuilder& fmtbuilder, const Crypto::UnsignedBigInteger& value)
diff --git a/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h b/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
index e37c9e95b4..9b9e191247 100644
--- a/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
+++ b/Userland/Libraries/LibCrypto/BigInt/UnsignedBigInteger.h
@@ -99,6 +99,7 @@ public:
     bool operator!=(const UnsignedBigInteger& other) const;
     bool operator<(const UnsignedBigInteger& other) const;
     bool operator>(const UnsignedBigInteger& other) const;
+    bool operator>=(UnsignedBigInteger const& other) const;
 
 private:
     friend class UnsignedBigIntegerAlgorithms;