diff --git a/src/include/rimage/rimage.h b/src/include/rimage/rimage.h
index e5b918e..1ce609c 100644
--- a/src/include/rimage/rimage.h
+++ b/src/include/rimage/rimage.h
@@ -109,6 +109,7 @@ struct image {
 	char* fw_ver_build_string;
 	uint16_t fw_ver_major;
 	uint16_t fw_ver_minor;
+	uint16_t fw_ver_micro;
 	uint16_t fw_ver_build;
 };
 
diff --git a/src/manifest.c b/src/manifest.c
index cb6d703..d3d7f26 100644
--- a/src/manifest.c
+++ b/src/manifest.c
@@ -776,6 +776,7 @@ int man_write_fw_v1_5(struct image *image)
 	/* firmware and build version */
 	m->desc.header.major_version = image->fw_ver_major;
 	m->desc.header.minor_version = image->fw_ver_minor;
+	m->desc.header.hotfix_version = image->fw_ver_micro;
 	m->desc.header.build_version = image->fw_ver_build;
 
 	/* create each module */
@@ -845,6 +846,7 @@ int man_write_fw_v1_5_sue(struct image *image)
 	/* firmware and build version */
 	m->desc.header.major_version = image->fw_ver_major;
 	m->desc.header.minor_version = image->fw_ver_minor;
+	m->desc.header.hotfix_version = image->fw_ver_micro;
 	m->desc.header.build_version = image->fw_ver_build;
 
 	/* create each module - subtract the boot loader exec header */
@@ -916,6 +918,7 @@ int man_write_fw_v1_8(struct image *image)
 	m->css.version.build_version = image->fw_ver_build;
 	m->desc.header.major_version = image->fw_ver_major;
 	m->desc.header.minor_version = image->fw_ver_minor;
+	m->desc.header.hotfix_version = image->fw_ver_micro;
 	m->desc.header.build_version = image->fw_ver_build;
 
 	/* create each module */
@@ -1022,6 +1025,7 @@ int man_write_fw_meu_v1_5(struct image *image)
 	/* firmware and build version */
 	desc->header.major_version = image->fw_ver_major;
 	desc->header.minor_version = image->fw_ver_minor;
+	desc->header.hotfix_version = image->fw_ver_micro;
 	desc->header.build_version = image->fw_ver_build;
 
 	/* create each module */
@@ -1102,6 +1106,7 @@ int man_write_fw_meu_v1_8(struct image *image)
 	/* firmware and build version */
 	desc->header.major_version = image->fw_ver_major;
 	desc->header.minor_version = image->fw_ver_minor;
+	desc->header.hotfix_version = image->fw_ver_micro;
 	desc->header.build_version = image->fw_ver_build;
 
 	/* create each module */
@@ -1182,6 +1187,7 @@ int man_write_fw_meu_v2_5(struct image *image)
 	/* firmware and build version */
 	desc->header.major_version = image->fw_ver_major;
 	desc->header.minor_version = image->fw_ver_minor;
+	desc->header.hotfix_version = image->fw_ver_micro;
 	desc->header.build_version = image->fw_ver_build;
 
 	/* create each module */
@@ -1266,6 +1272,7 @@ int man_write_fw_v2_5(struct image *image)
 	m->css.version.build_version = image->fw_ver_build;
 	m->desc.header.major_version = image->fw_ver_major;
 	m->desc.header.minor_version = image->fw_ver_minor;
+	m->desc.header.hotfix_version = image->fw_ver_micro;
 	m->desc.header.build_version = image->fw_ver_build;
 
 	/* create each module */
diff --git a/src/rimage.c b/src/rimage.c
index 3cf0232..c7b112d 100644
--- a/src/rimage.c
+++ b/src/rimage.c
@@ -26,7 +26,7 @@ static void usage(char *name)
 	fprintf(stdout, "\t -r enable relocatable ELF files\n");
 	fprintf(stdout, "\t -s MEU signing offset, disables rimage signing\n");
 	fprintf(stdout, "\t -i set IMR type\n");
-	fprintf(stdout, "\t -f firmware version = x.y\n");
+	fprintf(stdout, "\t -f firmware version = major.minor.micro\n");
 	fprintf(stdout, "\t -b build version\n");
 	fprintf(stdout, "\t -e build extended manifest\n");
 	fprintf(stdout, "\t -y verify signed file\n");
@@ -115,19 +115,21 @@ int main(int argc, char *argv[])
 		return -EINVAL;
 	}
 
-	/* firmware version and build id */
+	/* firmware version: major.minor.micro */
 	if (image.fw_ver_string) {
-		ret = sscanf(image.fw_ver_string, "%hu.%hu",
+		ret = sscanf(image.fw_ver_string, "%hu.%hu.%hu",
 			     &image.fw_ver_major,
-			     &image.fw_ver_minor);
+			     &image.fw_ver_minor,
+			     &image.fw_ver_micro);
 
-		if (ret != 2) {
+		if (ret != 3) {
 			fprintf(stderr,
-				"error: cannot parse firmware version\n");
+				"error: cannot parse firmware version major.minor.micro\n");
 			return -EINVAL;
 		}
 	}
 
+	/* firmware build id */
 	if (image.fw_ver_build_string) {
 		ret = sscanf(image.fw_ver_build_string, "%hu",
 			     &image.fw_ver_build);