diff --git a/.github/workflows/create-release-artifacts.yaml b/.github/workflows/create-release-artifacts.yaml
index b3145e7d..d0cc4593 100644
--- a/.github/workflows/create-release-artifacts.yaml
+++ b/.github/workflows/create-release-artifacts.yaml
@@ -86,7 +86,7 @@ jobs:
             Once that's done, replace this text with the changelog, un-draft the release, and update the `release` branch.
             By the way, if you forgot to update `include/version.h`, RGBASM's version test is gonna fail in the tag's regression testing! (Use `git push --delete origin <tag>` to delete it)
           draft: true # Don't publish the release quite yet...
-          prerelease: ${{ endsWith(github.ref, '-pre') }}
+          prerelease: ${{ contains(github.ref, '-rc') }}
           files: |
             rgbds-${{ env.version }}-win32.zip
             rgbds-${{ env.version }}-win64.zip
diff --git a/include/version.h b/include/version.h
index 8359f239..3b4437ce 100644
--- a/include/version.h
+++ b/include/version.h
@@ -12,6 +12,7 @@
 #define PACKAGE_VERSION_MAJOR 0
 #define PACKAGE_VERSION_MINOR 4
 #define PACKAGE_VERSION_PATCH 2
+// #define PACKAGE_VERSION_RC 1
 
 const char *get_package_version_string(void);
 
diff --git a/src/asm/rgbasm.5 b/src/asm/rgbasm.5
index 837f0932..0834d72f 100644
--- a/src/asm/rgbasm.5
+++ b/src/asm/rgbasm.5
@@ -855,7 +855,7 @@ are allowed exclusively in labels, as described below.
 A symbol cannot have the same name as a reserved keyword.
 .Pp
 Constants and string equates
-.Em must not 
+.Em must not
 have any whitespace before their name when they are defined;
 otherwise
 .Nm
@@ -1215,6 +1215,7 @@ The following symbols are defined by the assembler:
 .It Dv __RGBDS_MAJOR__ Ta Ic EQU Ta Major version number of RGBDS
 .It Dv __RGBDS_MINOR__ Ta Ic EQU Ta Minor version number of RGBDS
 .It Dv __RGBDS_PATCH__ Ta Ic EQU Ta Patch version number of RGBDS
+.It Dv __RGBDS_RC__ Ta Ic EQU Ta Release candidate ID of RGBDS, not defined for final releases
 .El
 .Pp
 The current time values will be taken from the
diff --git a/src/version.c b/src/version.c
index 0f716e01..d3bdaed2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -17,9 +17,16 @@ const char *get_package_version_string(void)
 	// The following conditional should be simplified by the compiler.
 	if (strlen(BUILD_VERSION_STRING) == 0) {
 		// Fallback if version string can't be obtained from Git
+#ifndef PACKAGE_VERSION_RC
 		return "v" EXPAND_AND_STR(PACKAGE_VERSION_MAJOR)
 			"." EXPAND_AND_STR(PACKAGE_VERSION_MINOR)
 			"." EXPAND_AND_STR(PACKAGE_VERSION_PATCH);
+#else
+		return "v" EXPAND_AND_STR(PACKAGE_VERSION_MAJOR)
+			"." EXPAND_AND_STR(PACKAGE_VERSION_MINOR)
+			"." EXPAND_AND_STR(PACKAGE_VERSION_PATCH)
+			"-rc" EXPAND_AND_STR(PACKAGE_VERSION_RC);
+#endif
 	} else {
 		return BUILD_VERSION_STRING;
 	}
diff --git a/test/asm/test.sh b/test/asm/test.sh
index 6d13fc54..98ffcfa6 100755
--- a/test/asm/test.sh
+++ b/test/asm/test.sh
@@ -39,7 +39,11 @@ tryCmp () {
 # Add the version constants test, outputting the closest tag to the HEAD
 if git describe --tags --abbrev=0 > version.out; then
 	cat > version.asm <<EOF
-PRINTLN "v{d:__RGBDS_MAJOR__}.{d:__RGBDS_MINOR__}.{d:__RGBDS_PATCH__}"
+IF !DEF(__RGBDS_RC__)
+	PRINTLN "v{d:__RGBDS_MAJOR__}.{d:__RGBDS_MINOR__}.{d:__RGBDS_PATCH__}"
+ELSE
+	PRINTLN "v{d:__RGBDS_MAJOR__}.{d:__RGBDS_MINOR__}.{d:__RGBDS_PATCH__}-rc{d:__RGBDS_RC__}"
+ENDC
 EOF
 else
 	echo "${bold}${orange}Warning: cannot run version test!${rescolors}${resbold}"