diff --git a/CHANGELOG.md b/CHANGELOG.md
index 625a3eace5b..aff85f4c219 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -34,6 +34,7 @@ release.
 - Add details for filling semantic conventions for AWS Lambda ([#1442](https://github.com/open-telemetry/opentelemetry-specification/pull/1442))
 - Update semantic conventions to distinguish between int and double ([#1550](https://github.com/open-telemetry/opentelemetry-specification/pull/1550))
 - Add semantic convention for AWS ECS task revision ([#1581](https://github.com/open-telemetry/opentelemetry-specification/pull/1581))
+- Rename `DRAGONFLYBSD` to `DRAGONFLY` to be consistent with Golang's GOOS values ([#1572](https://github.com/open-telemetry/opentelemetry-specification/pull/1572))
 
 ### Compatibility
 
diff --git a/semantic_conventions/resource/os.yaml b/semantic_conventions/resource/os.yaml
index aeb555c8480..afb1d0cd465 100644
--- a/semantic_conventions/resource/os.yaml
+++ b/semantic_conventions/resource/os.yaml
@@ -29,8 +29,8 @@ groups:
             - id: OPENBSD
               value: 'OPENBSD'
               brief: "OpenBSD"
-            - id: DRAGONFLYBSD
-              value: 'DRAGONFLYBSD'
+            - id: DRAGONFLY
+              value: 'DRAGONFLY'
               brief: "DragonFly BSD"
             - id: HPUX
               value: 'HPUX'
diff --git a/specification/resource/semantic_conventions/os.md b/specification/resource/semantic_conventions/os.md
index e1c36c4123f..82b50f895d7 100644
--- a/specification/resource/semantic_conventions/os.md
+++ b/specification/resource/semantic_conventions/os.md
@@ -24,7 +24,7 @@ In case of virtualized environments, this is the operating system as it is obser
 | `FREEBSD` | FreeBSD |
 | `NETBSD` | NetBSD |
 | `OPENBSD` | OpenBSD |
-| `DRAGONFLYBSD` | DragonFly BSD |
+| `DRAGONFLY` | DragonFly BSD |
 | `HPUX` | HP-UX (Hewlett Packard Unix) |
 | `AIX` | AIX (Advanced Interactive eXecutive) |
 | `SOLARIS` | Oracle Solaris |