diff --git a/Manifest.toml b/Manifest.toml
index e3cdc7a..26cb85a 100644
--- a/Manifest.toml
+++ b/Manifest.toml
@@ -1,8 +1,8 @@
 # This file is machine-generated - editing it directly is not advised
 
-julia_version = "1.8.2"
+julia_version = "1.8.3"
 manifest_format = "2.0"
-project_hash = "941a3b59a922a314802c93c19b7b076f4db2f658"
+project_hash = "2fcc11f38f8a02864b6890127960604119a99d66"
 
 [[deps.AWS]]
 deps = ["Base64", "Compat", "Dates", "Downloads", "GitHub", "HTTP", "IniFile", "JSON", "MbedTLS", "Mocking", "OrderedCollections", "Random", "Sockets", "URIs", "UUIDs", "XMLDict"]
@@ -48,6 +48,12 @@ git-tree-sha1 = "5084cc1a28976dd1642c9f337b28a3cb03e0f7d2"
 uuid = "324d7699-5711-5eae-9e2f-1d82baa6b597"
 version = "0.10.7"
 
+[[deps.CodecXz]]
+deps = ["Libdl", "TranscodingStreams", "XZ_jll"]
+git-tree-sha1 = "82c4c000edf64b6bda6766377e69a1028f3549ee"
+uuid = "ba30903b-d9e8-5048-a5ec-d1f5b0d4b47b"
+version = "0.7.0"
+
 [[deps.CodecZlib]]
 deps = ["TranscodingStreams", "Zlib_jll"]
 git-tree-sha1 = "ded953804d019afa9a3f98981d99b33e3db7b6da"
@@ -225,6 +231,12 @@ git-tree-sha1 = "3c837543ddb02250ef42f4738347454f95079d4e"
 uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
 version = "0.21.3"
 
+[[deps.JSON3]]
+deps = ["Dates", "Mmap", "Parsers", "SnoopPrecompile", "StructTypes", "UUIDs"]
+git-tree-sha1 = "84b10656a41ef564c39d2d477d7236966d2b5683"
+uuid = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
+version = "1.12.0"
+
 [[deps.LaTeXStrings]]
 git-tree-sha1 = "f2355693d6778a178ade15952b7ac47a4ff97996"
 uuid = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
@@ -364,9 +376,9 @@ uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 version = "1.8.0"
 
 [[deps.PkgEval]]
-deps = ["DataFrames", "Dates", "Downloads", "Git", "JSON", "LazyArtifacts", "Pkg", "ProgressMeter", "Random", "Sandbox", "Scratch", "s5cmd_jll"]
-git-tree-sha1 = "f0fd245bad5b278767737efdf91dd4ed9fd1dac7"
-repo-rev = "70be29bc00911b4e087ec2f492799ffb9771b1c1"
+deps = ["CodecXz", "CodecZlib", "CodecZstd", "DataFrames", "Dates", "Downloads", "Git", "GitHub", "HTTP", "JSON3", "LazyArtifacts", "Pkg", "ProgressMeter", "REPL", "Random", "Sandbox", "Scratch", "Tar", "s5cmd_jll"]
+git-tree-sha1 = "8e3e9cdec5800194e6a999313ce0491435b10fef"
+repo-rev = "cbdfa19"
 repo-url = "https://github.com/JuliaCI/PkgEval.jl"
 uuid = "9f2e2246-6dce-11e8-3d98-4b291446da6e"
 version = "0.2.0"
@@ -479,6 +491,12 @@ git-tree-sha1 = "46da2434b41f41ac3594ee9816ce5541c6096123"
 uuid = "892a3eda-7b42-436c-8928-eab12a02cf0e"
 version = "0.3.0"
 
+[[deps.StructTypes]]
+deps = ["Dates", "UUIDs"]
+git-tree-sha1 = "ca4bccb03acf9faaf4137a9abc1881ed1841aa70"
+uuid = "856f2bd8-1eba-4b0a-8007-ebc267875bd4"
+version = "1.10.0"
+
 [[deps.TOML]]
 deps = ["Dates"]
 uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
@@ -552,6 +570,12 @@ git-tree-sha1 = "d9a3faf078210e477b291c79117676fca54da9dd"
 uuid = "228000da-037f-5747-90a9-8195ccbf91a5"
 version = "0.4.1"
 
+[[deps.XZ_jll]]
+deps = ["Artifacts", "JLLWrappers", "Libdl", "Pkg"]
+git-tree-sha1 = "d1d49166bc58e698ab38804d7bde2aef43e4b594"
+uuid = "ffd25f8a-64ca-5728-b0f7-c24cf3aae800"
+version = "5.2.7+0"
+
 [[deps.Zlib_jll]]
 deps = ["Libdl"]
 uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
diff --git a/Project.toml b/Project.toml
index 872d612..a3defbc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,6 +10,7 @@ CommonMark = "a80b9123-70ca-4bc0-993e-6e3bcb318db6"
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
+Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 Feather = "becb17da-46f6-5d3c-ad1b-1c5fe96bc73c"
 Git = "d7ba0133-e1db-5d97-8f8c-041e4b3a1eb2"
 GitHub = "bc5e4493-9b4d-5f90-b8aa-2b2bcaad7a26"
@@ -22,11 +23,12 @@ Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 PkgEval = "9f2e2246-6dce-11e8-3d98-4b291446da6e"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 Scratch = "6c6a2e73-6563-6170-7368-637461726353"
+TOML = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
 Tar = "a4e569a6-e804-4fa4-b0f3-eef7a1d5b13e"
 
 [compat]
-PkgEval = "0.2"
 GitHub = "5.8"
+PkgEval = "0.2"
 julia = "1.6"
 
 [extras]
diff --git a/src/jobs/PkgEvalJob.jl b/src/jobs/PkgEvalJob.jl
index 13022f9..e491a69 100644
--- a/src/jobs/PkgEvalJob.jl
+++ b/src/jobs/PkgEvalJob.jl
@@ -5,6 +5,8 @@ using JSON
 using LibGit2
 using CommonMark
 using Pkg
+import Downloads
+import TOML
 
 
 ################################
@@ -265,13 +267,29 @@ function execute_tests!(job::PkgEvalJob, builds::Dict, base_configs::Dict, resul
         [Package(; name) for name in job.pkgsel]
     end
 
+    # determine packages to blacklist
+    blacklist = String[]
+    if !job.isdaily
+        # daily evaluations are used to determine which packages are unreliable, i.e., fail
+        # often. we blacklist them to improve the signal-to-noise ratio of regular reports.
+        try
+            packages_url = "https://juliaci.github.io/NanosoldierReports/pkgeval_packages.toml"
+            packages_contents = sprint(io->Downloads.download(packages_url, io))
+            packages = TOML.parse(packages_contents)
+            append!(blacklist, packages["unreliable"])
+        catch err
+            nodelog(cfg, node, "Failed to retrieve package blacklist: $(sprint(showerror, err))")
+        end
+    end
+    nodelog(cfg, node, "Blacklisted $(length(blacklist)) packages")
+
     # run tests
     all_tests = withenv("CI" => true) do
         cpus = mycpus(submission(job).config)
         results["duration"] = @elapsed if pkgs !== nothing
-            tests = PkgEval.evaluate(configs, pkgs; ninstances=length(cpus))
+            tests = PkgEval.evaluate(configs, pkgs; ninstances=length(cpus), blacklist)
         else
-            tests = PkgEval.evaluate(configs; ninstances=length(cpus))
+            tests = PkgEval.evaluate(configs; ninstances=length(cpus), blacklist)
         end
         tests
     end