diff --git a/README.md b/README.md
index 11be2e8d9..31a98ebab 100644
--- a/README.md
+++ b/README.md
@@ -154,7 +154,7 @@ SIG-specific GitHub discussions.
 | Semantic Conventions: Service and Deployment&nbsp;<a id="sig-service-and-deployment-semconv-sig" href="#sig-service-and-deployment-semconv-sig"><sup>🔗</sup></a> | Alternating between Thursday at 08:00 PT and Thursday at 12:00 UTC | [Google Doc](https://docs.google.com/document/d/1Fy6yXfZqrwN_oHw95Bdfg_0hzUgzlk3VO5wA1invgkI) | [#otel-service-and-deployment-semconv-sig](https://cloud-native.slack.com/archives/C09HLNSSJSE) | [calendar-semconv](https://groups.google.com/a/opentelemetry.io/g/calendar-semconv) |  | [Trask Stalnaker](https://github.com/trask) | 
 | Specification: Entities&nbsp;<a id="sig-entities" href="#sig-entities"><sup>🔗</sup></a> | Every Monday at 09:00 PT | [Google Doc](https://docs.google.com/document/d/15Yt9ss2_EhuFPqItPbk4vjfpeRDAQ5WCUVuY_kCeOAo) | [#otel-entities](https://cloud-native.slack.com/archives/C06QEG97W7L) | [calendar-entities](https://groups.google.com/a/opentelemetry.io/g/calendar-entities) | [Tigran Najaryan](https://github.com/tigrannajaryan) | [Severin Neumann](https://github.com/svrnm) | 
 | OpAMP&nbsp;<a id="sig-opamp" href="#sig-opamp"><sup>🔗</sup></a> | Every other Tuesday at 09:00 PT | [Google Doc](https://docs.google.com/document/d/19WA5-ex8rNFIBIyVb5VqMXfWNmUQwppGhN8zBeNG0f4) | [#otel-opamp](https://cloud-native.slack.com/archives/C02J58HR58R) | [calendar-opamp](https://groups.google.com/a/opentelemetry.io/g/calendar-opamp) | [Tigran Najaryan](https://github.com/tigrannajaryan) | [Ted Young](https://github.com/tedsuo) | 
-| Prometheus Interoperability&nbsp;<a id="sig-prometheus" href="#sig-prometheus"><sup>🔗</sup></a> | Every other Wednesday at 08:00 PT | [Google Doc](https://docs.google.com/document/d/1OijO_NZyR7gb7AvUj_KxKbcbsN09XQmq_ExZeDlgEOg) | [#otel-prometheus](https://cloud-native.slack.com/archives/C01LSCJBXDZ) | [calendar-prometheus](https://groups.google.com/a/opentelemetry.io/g/calendar-prometheus) | [David Ashpole](https://github.com/dashpole) | [Pablo Baeyens](https://github.com/mx-psi) | 
+| Prometheus Interoperability&nbsp;<a id="sig-prometheus" href="#sig-prometheus"><sup>🔗</sup></a> | Every other Friday at 08:00 PT | [Google Doc](https://docs.google.com/document/d/1OijO_NZyR7gb7AvUj_KxKbcbsN09XQmq_ExZeDlgEOg) | [#otel-prometheus](https://cloud-native.slack.com/archives/C01LSCJBXDZ) | [calendar-prometheus](https://groups.google.com/a/opentelemetry.io/g/calendar-prometheus) | [David Ashpole](https://github.com/dashpole) | [Pablo Baeyens](https://github.com/mx-psi) | 
 | Functions as a Service (FAAS)&nbsp;<a id="sig-faas" href="#sig-faas"><sup>🔗</sup></a> | Every other Thursday at 8:00 PT | [Google Doc](https://docs.google.com/document/d/16dGljp7YY7jgzxydDKsin8DQCCx6HQqdQHorDxTx6SQ) | [#otel-faas](https://cloud-native.slack.com/archives/C04HVBETC9Z) | [calendar-faas](https://groups.google.com/a/opentelemetry.io/g/calendar-faas) |  | [Austin Parker](https://github.com/austinlparker) | 
 | Profiling&nbsp;<a id="sig-profiles" href="#sig-profiles"><sup>🔗</sup></a> | Every other Thursday at 08:00 PT | [Google Doc](https://docs.google.com/document/d/19UqPPPlGE83N37MhS93uRlxsP1_wGxQ33Qv6CDHaEp0) | [#otel-profiles](https://cloud-native.slack.com/archives/C03J794L0BV) | [calendar-profiling](https://groups.google.com/a/opentelemetry.io/g/calendar-profiling) | [Tigran Najaryan](https://github.com/tigrannajaryan) | [Morgan McLean](https://github.com/mtwo) | 
 | OpenTelemetry on Mainframes&nbsp;<a id="sig-mainframes" href="#sig-mainframes"><sup>🔗</sup></a> | Wednesday at 10:00 PT | [Google Doc](https://docs.google.com/document/d/14p-bpofozTL4n3jy6HZH_TKjoOXvog18G1HBRqq6liE) | [#otel-mainframes](https://cloud-native.slack.com/archives/C05PXDFTCPJ) | [calendar-mainframe](https://groups.google.com/a/opentelemetry.io/g/calendar-mainframe) | [Daniel Dyla](https://github.com/dyladan) | [Morgan McLean](https://github.com/mtwo) | 
diff --git a/workstreams.yml b/workstreams.yml
index c078b8321..8e33563cf 100644
--- a/workstreams.yml
+++ b/workstreams.yml
@@ -271,7 +271,7 @@
       level: leading
   resources:
   - meeting:
-      schedule: Every other Wednesday at 08:00 PT
+      schedule: Every other Friday at 08:00 PT
       calendarInviteGroup: calendar-prometheus
       gDocNotes: 1OijO_NZyR7gb7AvUj_KxKbcbsN09XQmq_ExZeDlgEOg
   - slack: