diff --git a/c/include/libsbp/navigation_macros.h b/c/include/libsbp/navigation_macros.h
index 0b13cb1a9b..a7cef89e16 100644
--- a/c/include/libsbp/navigation_macros.h
+++ b/c/include/libsbp/navigation_macros.h
@@ -925,7 +925,7 @@
 #define SBP_MSG_VEL_BODY_ENCODED_LEN 42u
 
 #define SBP_MSG_VEL_COG 0x021C
-#define SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_MASK (0x3)
+#define SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_MASK (0x1)
 #define SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_SHIFT (5u)
 #define SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_GET(flags)           \
   ((u8)(((flags) >> SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_SHIFT) & \
@@ -939,7 +939,7 @@
 
 #define SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_INVALID (0)
 #define SBP_VEL_COG_VERTICAL_VELOCITY_VALIDITY_VERTICAL_VELOCITY_VALID (1)
-#define SBP_VEL_COG_SOG_VALIDITY_MASK (0x3)
+#define SBP_VEL_COG_SOG_VALIDITY_MASK (0x1)
 #define SBP_VEL_COG_SOG_VALIDITY_SHIFT (4u)
 #define SBP_VEL_COG_SOG_VALIDITY_GET(flags)           \
   ((u8)(((flags) >> SBP_VEL_COG_SOG_VALIDITY_SHIFT) & \
@@ -952,7 +952,7 @@
 
 #define SBP_VEL_COG_SOG_VALIDITY_INVALID (0)
 #define SBP_VEL_COG_SOG_VALIDITY_SOG_VALID (1)
-#define SBP_VEL_COG_COG_VALIDITY_MASK (0x3)
+#define SBP_VEL_COG_COG_VALIDITY_MASK (0x1)
 #define SBP_VEL_COG_COG_VALIDITY_SHIFT (3u)
 #define SBP_VEL_COG_COG_VALIDITY_GET(flags)           \
   ((u8)(((flags) >> SBP_VEL_COG_COG_VALIDITY_SHIFT) & \
@@ -965,7 +965,7 @@
 
 #define SBP_VEL_COG_COG_VALIDITY_INVALID (0)
 #define SBP_VEL_COG_COG_VALIDITY_COG_VALID (1)
-#define SBP_VEL_COG_INS_NAVIGATION_MODE_MASK (0x3)
+#define SBP_VEL_COG_INS_NAVIGATION_MODE_MASK (0x1)
 #define SBP_VEL_COG_INS_NAVIGATION_MODE_SHIFT (2u)
 #define SBP_VEL_COG_INS_NAVIGATION_MODE_GET(flags)           \
   ((u8)(((flags) >> SBP_VEL_COG_INS_NAVIGATION_MODE_SHIFT) & \
@@ -978,7 +978,7 @@
 
 #define SBP_VEL_COG_INS_NAVIGATION_MODE_NONE (0)
 #define SBP_VEL_COG_INS_NAVIGATION_MODE_INS_USED (1)
-#define SBP_VEL_COG_VELOCITY_MODE_MASK (0x7)
+#define SBP_VEL_COG_VELOCITY_MODE_MASK (0x3)
 #define SBP_VEL_COG_VELOCITY_MODE_SHIFT (0u)
 #define SBP_VEL_COG_VELOCITY_MODE_GET(flags)           \
   ((u8)(((flags) >> SBP_VEL_COG_VELOCITY_MODE_SHIFT) & \
diff --git a/docs/sbp.pdf b/docs/sbp.pdf
index 80545e1ede..9469034eff 100644
Binary files a/docs/sbp.pdf and b/docs/sbp.pdf differ
diff --git a/package-lock.json b/package-lock.json
index 3d2a4b930a..6f585a0a70 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "sbp",
-  "version": "4.1.0",
+  "version": "4.1.1-alpha",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "sbp",
-      "version": "4.1.0",
+      "version": "4.1.1-alpha",
       "license": "MIT",
       "dependencies": {
         "binary-parser": "^1.7.0",
diff --git a/package.json b/package.json
index 2783ee0948..048a5fe5ea 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sbp",
-  "version": "4.1.0",
+  "version": "4.1.1-alpha",
   "description": "libsbp bindings for JavaScript. More information here: http://swift-nav.github.io/libsbp/",
   "files": [
     "javascript/*",
diff --git a/spec/yaml/swiftnav/sbp/navigation.yaml b/spec/yaml/swiftnav/sbp/navigation.yaml
index ca4382b822..e8830951a1 100644
--- a/spec/yaml/swiftnav/sbp/navigation.yaml
+++ b/spec/yaml/swiftnav/sbp/navigation.yaml
@@ -1722,27 +1722,27 @@ definitions:
               fields:
                 - 6-7:
                     desc: Reserved
-                - 5-6:
+                - 5:
                     desc: Vertical velocity validity
                     values:
                         - 0: Invalid
                         - 1: Vertical velocity valid
-                - 4-5:
+                - 4:
                     desc: SOG validity
                     values:
                         - 0: Invalid
                         - 1: SOG valid
-                - 3-4:
+                - 3:
                     desc: COG validity
                     values:
                         - 0: Invalid
                         - 1: COG valid
-                - 2-3:
+                - 2:
                     desc: INS Navigation Mode
                     values:
                         - 0: None
                         - 1: INS used
-                - 0-2:
+                - 0-1:
                     desc: Velocity mode
                     values:
                         - 0: Invalid
diff --git a/test_data/benchmark_main.py b/test_data/benchmark_main.py
index 672fb285b1..a287efa857 100755
--- a/test_data/benchmark_main.py
+++ b/test_data/benchmark_main.py
@@ -20,7 +20,7 @@
 }
 
 RATIOS_JSON2JSON = {
-    "haskell": 2.19,
+    "haskell": 2.78,
 }
 
 FAILED = [False]